Answer: The Louisiana purchase
Explanation:It exponentially grew the US
State rights, slavery, and sectionalism,
I think it’s A. 907-960 CE
Provides schooling and education
please mark brainliest
Answer:
For example, the USSR established the "iron curtain" to control most of Central and Eastern Europe. Additionally, American fear of the spread of communism led to a number of proxy wars. The Cold War also spread the worldwide fear of nuclear war, which heavily influenced international diplomacy and affairs.
Explanation: