Why did so many immigrants come to the united states during the ninteenth century

My guess is because they were trying to to escape crop failure, famine, and harsh government they also wanted religious freedom and knew that america had plenty of opportunities.

P.S. when u give a question that has options please put the options down cause the people following ur inquiry will get confused

Your answer is: Many immigrants came to America seeking greater economic opportunity or in search of religious freedom

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

the romans were initially interested in expansion via sicily (which at that time was a cultural melting pot), part of which lay under carthaginian control. at the start of the first punic war (264-241 bc), carthage was the dominant power of the western mediterranean, with an extensive maritime empire