To make sure they werent smuggling goods<span />
The reason it was such a huge mistake was because the weapons were much more modern during the Civil War. Napoleon had weapons that fit to his strategies which was why his strategies were so famous for his day in age. The weapons they used in the Civil War were more powerful, and much more accurate.
The only answer that makes any sense is C. The British Empire was the sole enemy of the French, fighting them and winning in the Seven Years War. While I am completely unaware of what campaign you are referencing, General Burgoyne partook in many over his years as a British officer, I am certain alliance with the French and splitting New York and Canada were not one of them.
Answer:
language barriers and lack of unemployment
Explanation:
They were shocked because the Mexican Military had more weapons than them and had more forces too.
