What did historians call these periods?
What dates did these periods range from?

When did the us congress declare war on the confederate states?

What are new social classes emerged due to advancement in agriculture ?

Plz- which of the following explains the growth of fundamentalism in the 1920s? -fundamentalism encouraged racial pride and inspired a "back-to-africa" movement. -americans were uneasy about rapid social change and supported traditional religious beliefs. -americans wanted to increase women's opportunities in the workplace following world war i.