What was social, economic, and political life like in Europe in the Middle Ages?

Which statement best explains how the invention of corporations contributed to the economy in the 1800's

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.

The largest formal unit of geologic time is