What shifts in population might be attributed to advances in technology and changes in regional economies during america's industrial revolution?

One of the goulding principles of the nation is islam was a) gaining economic power for african americans. b) gaining religious freedom for african americans. c) living together in equal together with white people. d) using nonviolent resistance to gain equality.

Historians are concerned with the accuracy of their writings and readings but are also aware of the inability of authors to know every angle of every story biases, perspectives, beliefs, and a variety of other differences history being told by one person at a time no one being totally accurate, as hard as we try really need on this, and you^^

What could have been done to stop the illegal voting? what about the violence?