Answer:
C.
Explanation:
First of all, we mass migrated a long long time ago before the Neolithic revolution, second of all we didnt have a mass extinction event because we were suddenly able to put seeds in the ground and make them food, and third of all I dont know of any mass megafauna extinction early on in the Neolithic period
The U.S. Bureau of Refugees, Freedman's and Abandoned Lands, popularly known as the Freedmen's Bureau, was established in 1865 by Congress to help former black slaves and poor whites in the South in the aftermath of the U.S. Civil War ,1861-65.
