How had the u. s. population become more diverse by the early 1900s

Immigrants were moving to the U.S. Most of them moved to cities and a lot of them made up our work force.

The U.S. was becoming an increasingly urban nation. There were a lot of new buildings built. The cities were also a lot more diverse because of all of the new immigrants moving to cities to find work and to take advantage of the fact that America is the land of opportunity.

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