I believe it is 2, good luck
20%
Sorry if wrong
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Answer:
The most important contributions is that the Byzantium Empire was able to preserve a lot of the knowledge and culture from the Roman and Greek Empires.
Answer:
The United States exercises its foreign policy through economic aid. In the years after World War II, the United States was guided generally by containment, the policy of keeping communism from spreading beyond the countries already under its influence.
Explanation:
It permitted the expansion of slavery beyond the southern states.
