1. disease brought by colonists was a major factor. Kills millions
2. violent conflicts between the colonists and/or British forces against the natives
3. The westward expansion (there's a special name for it) Colonists kept colonizing deeper and deeper into the mainland until reaching the western sea coast. killing 10's of thousands on the way there
*millions died, possible around 10 mill
Missisipi river is the answer pal
Brazil to Mexico: Latin America's image problem. Infiltration of organized crime in Mexico's local police forces and controversies surrounding the highest levels of government have tarnished the country's image as a model reformer. Argentina is still reeling after its recent default.
The answer is the the empire was conquered and exploited by Pizarro and other Europeans.
George Washington. It was the largest organize resistance against federal government between the revolutionary and civil war (sugoi desu)