The first floor said a bit of a problem, the United States mainland history is invaded, in the United States after the independence of the second North American War of Independence occurred, the British army not only attacked the United States, down Washington, and even the White House were burned, interested in can check this history.

In addition, the Americans and Mexicans also had many border wars, although Mexico finally gave the defeat, but it is not without hitting the U.S. territory.