After the Persian War, Athens flourished in architecture and built up the city with help from the Delain League.
Answer:
Theodore Roosevelt's Corollary to the Monroe Doctrine (1905)
The corollary stated that not only were the nations of the Western Hemisphere not open to colonization by European powers, but that the United States had the responsibility to preserve order and protect life and property in those countries.
Explanation:
"The Huna People, also known as Huns, invaded Gupta territory and caused significant damage to the empire. The Gupta Empire ended in 550 CE, when it disintegrated into regional kingdoms after a series of weak rulers and invasions from the east, west, and north."
The answer is a. The Civil Rights Act of 1968.