Answer:
Hernan Cortés invaded Mexico in 1519 and conquered the Aztec Empire. Credit: Public domain. Hernán Cortés was a Spanish conquistador, or conqueror, best remembered for conquering the Aztec empire in 1521 and claiming Mexico for Spain. He also helped colonize Cuba and became a governor of New Spain.
The militia group that defeated Burgoyne troops at Bennington, Vermont was the "Green Mountain Boys"--although it should be noted that not all the people fighting in this group identified themselves as such.
The Confederacy saw themselves as fighting a second war for independence. They were rebelling against what they felt was an oppressive government that was infringing on their rights.
Lincoln referenced the forefathers in his Gettysburg Address and felt that keeping the union together was what they had fought for, they created a new nation, not one that should be torn apart.
Americans were searching for natural gold and new resources. Some believed the Indians were keeping these resources for themselves. Many Indians were evicted during this time.