The struggle to trade and control food
Answer:
In all of its parts, the most basic purpose of the 1924 Immigration Act was to preserve the ideal of U.S. homogeneity,” the State Department history page concludes. During the 1940s and 50s, the U.S. made some policy changes that increased – however slightly – the number and nationalities of immigrants.
They thought they would lose their private property
How early?
If it was like Native Americans it would be farming.
If it was like civil war then manufacturing.
A.More Than 2Million Becuase The Paleolithic Age Was About 2.5 Million Years Ago