What impact did the expansion of railroads in the west have on the american indians who lived there?

The civil rights act that passed in 1964

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

Which of the following was the largest group of people living in the region of transylvania? a. german b.slavic groups c.romanians d.italians