Answer: The correct answers are:
Battle of the Bulge
Operation Overlord
Athenian democracy developed around the 6th century BC in the Greek city-state (known as a polis)
Hope this helps
Harlem Renaissance, started a revolution within the African american society. It was a domino effect leading to more acceptance of black culture.
Farmers in Ohio River Valley
The answers are a. for #45 and c. for #46