Here are some contrubition they did to the world
Olympic games
Democracy
Hippocratic Oath
Philosophy (Aristotle, Socrates, Plato...)
Ionian, Doric and Corinthian architectural styles
Theatre styles (drama, comedy, tragedy, tragicomedy).
Literary classics (Iliad & Odyssey, myths, fables, poetry and mythology)
The G.I Bill was made to help the Veterans of WWll. It established hospitals and lowered mortgage rates.
During the 1920s, economic growth in the United States occurred rapidly and then slowed down. The correct option among all the options that are given in the question is the first option. During this period, most of the wealth in the United States of America was controlled by a select few. I hope the answer has come to your help.