Answer:
unite the country and strengthen it
The answer is D, the Louisiana Purchase (1803) was a land deal between the United States and France, in which the U.S. acquired approximately 827,000 square miles of land west of the Mississippi River for $15 million.
Answer:
because many ppl thought they shouldn't have gotten into their business and it was very difficult
Answer
eventually returned to their home countries
Explanation
Many new immigrants entered in the US in the late 1800 in large numbers and most of them were from western and northern Europe. They fled to US because there was job shortage in their country and also crops farming failed due to their land being infertile and famine.There was also high taxation in their countries. Others were moving to US to seek for freedom due to the political and religion persecution. Many immigrants eventually returned to their home countries this is because in their mind they didn't come for a permanent stay.