Answer:
A. avoiding overpopulation
Explanation:
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<span>The United States experienced major waves of immigration during the colonial era, the first part of the 19th century and from the 1880s to 1920.s Many immigrants came to America looking for better economic opportunity, while some, like the Pilgrims in the early 1600s, came in search of religious freedom.</span>
The issue of the exclusion of blacks from the voting system in the primaries. after the 1960's, however, the Voting Rights Act of 1965 entrenched the rights of African American voters in the political system, joining the political system for the first time in the 20th Century. As black people who had remained in the region became affiliated with the Democratic Party, so more White Americans moved towards supporting the Republican Party, creating a stark split.
