The Louisiana Purchase was by far the largest territorial gain in U.S. history. Stretching from the Mississippi River to the Rocky Mountains, the purchase doubled the size of the United States. Before 1803, Louisiana had been under Spanish control for forty years
This resulted in many groups splitting off on their own because not everyone agreed with each other
Christopher Columbus. Columbus was a Spanish explorer who went on a voyage to the new world in 1492
The Genetic Information Nondiscrimination Act of 2008.
