In 1776, America declared independence from Britain. Five years later the congress ratified the first national constitution.
The answer would be the last one because the government had to boost economy after world war ll
Your answer is A, Conflict with Native Americans ended.
Louisiana purchase entailed negative consequences for most of the Louisiana population - blacks and Indians - and became one of the causes of acute social contradictions in modern America. In just 30 years, Americans ousted Indians from most of the Mississippi Valley, physically destroying or expelling them from their ancestral lands through fraudulent treaties
Answer:
because it was when the cold war started
Explanation:
