How did westward expansion affect the Natwe ?

The environment would take an impact from mining, the land would become cultivated and all farmed. The buffalo population would go almost entirely extinct. Economically the country would excel and succeed. The incoming of many immigrants and growing industries of farming and mining would accel the economy.

this question your asking is true hope this and you get a 100 percent : )

it depends on which society you are referring to. many civilization performed rituals so the gods would with their growing season but the most well known is that of the aztecs. they would make sacrifices, usually animals, but sometimes humans as well.