To where did blacks who left the south during reconstruction migrate? farms in the west

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

Before the invention of the loom in 1785, textile manufacturing was: a) regulated under the guild system. b) performed by children working in factories. c) produced in rural cottages under a putting-out system. d) conducted by british colonists overseas.

Which physical feature minimizes population density in northern africa?