Answer:
In the late 1800s, people in many parts of the world decided to leave their homes and immigrate to the United States. ... Others came seeking personal freedom or relief from political and religious persecution, and nearly 12 million immigrants arrived in the United States between 1870 and 1900.
Americans have offered opportunities to immigrants and their children to better themselves and to be fully incorporated into U.S. society, and in exchange immigrants have become Americans—embracing an American identity and citizenship, protecting the United States through service in its military, fostering ...