Treatment of Peoples of Color

How did Mexicans earn a living in the late 1800's & where did they do this work?
 Mexicans would work in the railroads. They were also part of the development of mining and agriculture. Mexicans would work in the southwestern part of the U.S.

Describe African-American life in the 1900's(Where did they move to, what was their experience, etc)?
  African-American life was difficult. they were forced into segregated neighborhoods in the north as well as in the south. They were discriminated in the work place. often fired before the white worker?

http://goo.gl/6kL4X