•what was the idea of progressivism?

Progressivism is the support for or advocacy of social reform. As a philosophy, it is based on the idea of progress, which asserts that advancements in science, technology, economic development and social organization are vital to the improvement of the human condition.

Explanation:

these civilizations were located around fertile rivers, where they could produce an abundance of crops

by 1880, germany had more rail lines than great britain and russia.