The United States. This happened when 75000 soldiers from the North Korean Army invaded borders of South Korea, this became known as the cold war.
About one-third increase to the size of the United States. The states of Nevada, Arizona, California, Utah and some parts of New Mexico and the Gadsden purchase completes the southern parts of Arizona and New Mexico. This land is from Mexico acquired by the United States.
France gave up all its territories in mainland North America, ending foreign military threat to the British colonies there.
The first battle between the Britain and the American colonists occurred at Lexington, Massachusetts.
C. battle of wounded knee!
