First we need to understand a little Backround for this question, Minority groups such as african americans were realeased from slavery but didn't have the same access to education as White Americans. The 15th amendment Targeted these minorities because they weren't being educated because of the color of their skin but needed to be educated to pass a Literacy test and be able to vote.
Some of the reasons that global migrations occurred in the 1750-1900 time period were forced labor, poverty,hope for jobs, work-related things, and for safety.
