Answer:
Before the 1880s, most immigrants came from NORTHERN AND WESTERN EUROPE; after the 1880s, most immigrants came from SOUTHERN AND EASTERN EUROPE.
Explanation:
Before the 1880s , immigrants from northern and Western Europe migrated into the United States to search for greener pastures. These immigrants came from Ireland, Britain e.t.c.
These immigrants could purchase farmlands at a very low costs, therefore some of them were farmers. The rest of the immigrants possessed skills in making clothes, carpentry e.t.c.
After the 1880s, immigrants from countries like Russia, Canada, Italy which makes Southern and Eastern Europe migrated to America for better opportunities in terms of jobs, better housing and to escape poverty.
One of the major difficulties the immigrants from Southern and Eastern Europe faced when they came to America had to do with the languages they spoke. In order thrive in America, overcoming the language barrier was very important to these immigrants.