How and why did the population of the United States grow rapidly in the early 1800s with the arrival of millions of immigrants and what was the impact?

- "a new era of american politics began with jackson's election in 1828, but it also completed a grand social experiment begun by the american revolution. nevertheless, jacksonian democracy represented a provocative blending of the best and worst qualities of american society."

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but equal

explanation:

plessy v. ferguson (1896) is an important us supreme court decision that kept racial segregation based on "separate but equal". however, these racially segregated trains and places were not actually equal. plessy v. ferguson (1896) was finally overturned by brown v. board of education in 1954.

the answer is d i think