Although this depends slightly on what period you're referring to during this time, the best answer would be that "Immigrants" made up the largest percentage of workers in American industry during the late nineteenth century, since the economy had shifted towards industrial output as opposed to agrarian output.
Match 1-13 to what? are their pairs listed?
D. Czechoslovakia is correct. All others had been concered by Hitler and Nazi Germany.
The people, they protested like we do today. They basically said, "We don't want to abide to your rules anymore king George"
Hope this helps!
