Answer:
the red scare was a mass hysteria when people felt threatened by communism due to the cold War between the Soviet Union and the U.S. the first red scare was in the 1920s because of the Russian revolution that had just happened and the citizens of the U.S were scared that their country would too turn to a communist government.
American did
Is your answer
It established the Judicial Courts, making up our whole judiciary branch.
Assuming you're referring to a political context, the Ancient Greeks practiced a system of "direct democracy," in which each eligible citizen voted directly on all issues facing the state. This is different than a representative democracy, as it exists in the United States.