How many major "waves," or periods, of immigration did the United States
experience after the Civil War?1.five
2.0ne
3.three
4.two

4. Two

Explanation:

- The first major wave of immigration occurred in 1815

The majority of the immigrants come from Ireland, which accounted for around 33% of the total immigrants in that year.German immigrants took the second place with around 5 million people in total.

- The second major wave of immigration occurred in 1880

The majority of immigrants come from east and central Europe. Around 4 million people from Italy and 2 million Jewish people came to united states during this period.

depends on what they need

well its not not rising unemployment and falling inflation.

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