C. After Reconstruction, more blacks moved back into the South
No "Americans" arrived in North America. However, in 10 A.D. Vikings explored the fringes of North America. Also, Native Americans crossed over from Siberia into Alaska over a land bridge about 12,000 years ago. In 1501, Amerigo Vespucci officially discovered America but thought it was Asia so he did not dock. Then in 1592, Christopher Columbus found and docked in the Caribbean and was the first man to land on America.
The correct answer to the question above is "American Indians lost their lands." The statement that says "American Indians lost their lands" well describes the effect of the allotment system. Allotment system refers to a system in which money and agricultural matters are divided into small portions.