What was the main factor that made it possible for people to settle in permanent communities? a social class b agriculture c irrigation d complex tools
hurry d:

Explain the importance of president harry truman's order to integrate the u.s. military and the federal government.

What choice describe some of the difficulties john adams faced as president

Consider the events in alfred wegener's life that led to his development of the continental drift hypothesis. review the items below and determine whether each item is (1) an observation that led alfred wegener to develop his continental drift hypothesis, or (2) evidence wegener gathered to support his proposal.