The manpower and material resources required to build the Great Wall are obviously huge, but the Great Wall of Hadrian is an exception. The Roman Empire did not recruit civilians to build the Great Wall of Hadrian, but was built by three Roman legions over 15,000 people.

Moreover, the building material that accounts for the most cost is stone, which did not cost money when building the Great Wall of Hadrian. Because the local stone resources are extremely rich, local soldiers can mine enough stones for building the Great Wall of Hadrian as long as they have tools.

But it is different to build the Great Wall near the Calais Fortress, because the Calais Fortress is located on the coastal plain by the sea, and there is no source of stone in the area. If you want to build the Great Wall, you can only transport bricks or stones from other places.

Thinking back then, Marin only built a high-level reservoir with hydraulic power near the city of Lair. It cost more than 200,000 gold coins in just 0.1 square kilometers. Of course, the reservoir used a lot of steel bars, so the cost was high. But the Great Wall surrounding the Calais Fortress was at least dozens of kilometers long. Moreover, it was at least taller than the Great Wall of Hadrian, which was similar to a fence wall. Therefore, the cost was definitely not small, at least hundreds of thousands of gold coins.

However, when John Lafite stated his suggestion, he deliberately ignored this point and said that the construction of the Great Wall of Hadrian did not cost much. Then, the French monarchs and ministers who did not know this professional knowledge were fooled, thinking that they would spend more money than the Great Wall of Hadrian as they did. However, they did not expect that building such a Great Wall of dozens of kilometers would actually hollow out the French treasury...

These guys obviously don't understand the construction cost budget. However, they can still imagine the scene of John Lafite using the Great Wall to block the British invading northern France. After all, the effect of the Great Wall is indeed relatively large.

Some people may say that the Great Wall could not 100% defend against the nomadic peoples in the north in ancient times. For example, during the Ming Dynasty, the Great Wall in the north was repeatedly breached.

However, you have to consider those exceptions. Moreover, even if the northern nomads broke through the Great Wall, they came in from some passes. They did not see them able to fly over the Great Wall, but had to attack some important passes.

Moreover, the Great Wall is too long, so there are inevitably omissions and it is definitely difficult to guard against. But if it is a small Great Wall that defends the Calais Fortress, it will be easier to defend. After all, this is a large encirclement. It is clear that the situation of the Calais Fortress is impossible to be attacked by the other party.

In addition, John Lafite suggested building multiple wall buildings like beacon towers that can protect against rain. Then, in the pavilions on this city wall, a mezzanine gunman was deployed. In this way, even if it rained, a mezzanine gun could be used to repel the enemy's attack...

This method of building pavilions on the Great Wall does seem to enhance defense and give the contrails room to play. However, what is hidden behind it is a huge increase in cost. If you really want to build the Great Wall in accordance with the fine plan, let alone hundreds of thousands of gold coins, you can't even beat two million...

But François I and the ministers here don't understand. Listening to John Lafite's bragging, they all think it's good. As for the cost, this is not something the nobles can estimate...

...

The cheerful François I adopted the suggestion of John Rafi on the spot and ordered the construction of the Great Wall surrounding the Calais Fortress, which was about fifty or sixty kilometers long. Moreover, France planned to mobilize 15,000 troops and 20,000 civilians to build the Great Wall. Naturally, the people who built the Great Wall were the people, and the 15,000 troops were guarding against the British troops in Calais for going out of the city to counterattack. After all, building this city wall definitely cut off the possibility of the British going out of the Calais Fortress to harass France.

Sure enough, when the news came back to London, Edward's face turned a little dark. Because he found that the significance of recapturing the Calais Fortress was not that great.

But he also has his own way - don't you want to build the Great Wall and surround the Calais Fortress? There are always two ends of your Great Wall that need to be close to the seaside, right? Okay, just beside the seaside. When you are building on the seaside, we will scatter the warships and shell the shells to see how you build the seaside part!

After all, the ocean is the world of England. The French can build most of the Great Wall, but if you want to build the end of the sea, it depends on whether the English agrees or not...

In short, this is a desperate battle where either I overwhelm you or you overwhelm me...

When London's intelligence was sent back to Paris, François I felt relieved after learning that Edward was very angry about the construction of the Great Wall. He was worried that the British would not care about the small Great Wall. But he didn't know that the British decided to interfere with the construction of the coastal part of the Great Wall...

To this end, Edward specially ordered 30 Red Cannons from Marin and warships loaded with Red Cannons, specifically used to bombard the construction sites along the coast.

The effective range of the Red Cannon is more than 500 meters, and the range is even longer on the upper deck of the warship, making it impossible for the French coastal construction sites to start construction. The French's small bronze cannon has a range of only more than 200 meters and cannot compete with the Red Cannon.

Marin also quickly received the order, and he could take out the 30 red cannons, so he could immediately take out the warship carrying red cannons. However, Marin was a little difficult to take out the warship carrying red cannons.

If he directly sold the 500-ton warship to England, the French would know at a glance that it was sold by the North Sea Kingdom. In that case, he would inevitably face the anger of the French. Marin did not want to provoke the French for the time being, so he thought of the Carac sailing ship in Spain...

The hull of the Carac sailboat is tall and sturdy, suitable for installing heavy artillery. Moreover, the bow and stern of the Carac sailboat have tall ship towers, which are very suitable for installing artillery. The higher the ship tower, the longer the range of the artillery will be.

Although Carac sailing ships are generally small at present, only two or three hundred tons, a ship cannon will be installed at most two or three red cannons, otherwise the hull will not be able to bear it.

But Marin had a dozen Carac sailboats, originally used to pretend to be Spanish, but now they seem useless. So Marin decided to modify the dozen Carac sailboats that were two or three hundred tons, and covered the hull with some painted iron sheets to resist French shells. After handing over the batch of Carac sailboats, he handed the carac sailboats together with 30 18-pound Kofilin cannons (Red Barbarian cannons) to Edward, asking them to destroy the construction of the French Great Wall.

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At this time, John Lafite was ordered to investigate the reasons for the loss of the Calais Fortress, and found out that the British army used muskets that could be used on rainy days, and pointed the finger at the Beihai Kingdom. After all, these days, only the Beihai Kingdom could be equipped with clockwork and fired muskets.

So, the angry François I sent an envoy to the North Sea Kingdom to question Marin. Because François I felt that those musketeers were probably sent by the North Sea Kingdom. What is that? François I was fighting the face of the Kingdom of France? At this moment, if François I had not maintained his rationality, he would probably have wanted to send troops to attack the North Sea Kingdom... But because the two powerful enemies of Spain and England were on the side, François I endured his anger and did not send troops...

Marin also knew this, but he knew that it should not be too exciting to France at this time. Otherwise, the young and energetic François I might really disregard the overall situation and send heavy troops to attack him.

So, Marin directly blamed:

"The North Sea Kingdom did not send troops to participate in the battle to attack Calais, absolutely nothing! However, a few days ago, King Edward of England did order a batch of firearms from me..."

After saying that, he also took out an order contract to prove that England had indeed purchased clockwork fire guns from him...

This document was signed by Edward on the spot when Marin visited London. The purpose was to confuse the French people's attention and achieve the goal of passing the blame. After all, Marin does not want to start a fight with France yet.
Chapter completed!