During the 1920's economic growth in the united stayes occurred

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.

"a government in which power is divided between state and national levels". federalism is a system of government in which entities such and state and province, share power with the national government.