This chart shows the numbers of Mexican immigrants entering the United States between 1900 and 1940, as counted by the U.S. Bureau of the Census.

This essay outlines the reasons for Mexican immigration to the United States during the early part of the twentieth century as well as the issues immigrants confronted in their new home.

This image, taken in Rougeville, Michigan, depicts one man standing on top of thousands of buffalo skills, with another standing in front of the pile with his foot on one skull. White settlers exterminated buffalo near the end of the 19th century for…