USA HISTORY

Detailed explanation-1: -Westward expansion also led to increasing hostilities between the United States and Native Americans, resulting in a series of disturbances, massacres, and wars. Finally, the expansionist movement further ignited the debate over slavery in the wake of the Missouri Compromise.

Detailed explanation-2: -Large Scale wiping out of Species The expansion and colonization in the Western part of North America also exterminated many native species such as the bison, deer, and moose which lead to other species of animals dying off.

Detailed explanation-3: -What would be the environmental economic and social toll of westward expansion? The environment would take an impact from mining, the land would become cultivated and all farmed. The buffalo population would go almost entirely extinct.

Detailed explanation-4: -The philosophy drove 19th-century U.S. territorial expansion and was used to justify the forced removal of Native Americans and other groups from their homes. The rapid expansion of the United States intensified the issue of slavery as new states were added to the Union, leading to the outbreak of the Civil War.