In the early nineteenth century, the westward movement of white Americans was encouraged by

the government.

Explanation:

The westward movement was wanted by the government just because they need people in that land so that 1. Killing the Native Americans wasn't useless 2. So the land doesn't get taken over by Mexico and 3. So the economy can prosper from all of the work in the west.

social status of early civilizations was based primarily on economic power.- true ( first choice)