Which statements describe reasons that many americans wanted to restrict immigration?

choose all answers that are correct.

a.
many people were afraid of losing jobs to the newcomers, who were willing to work for lower wages.

b.
many people were afraid that america would lose its identity as a white, protestant nation.

c.
many people thought the country was full and there wasn't any room for newcomers to settle.

d.
many people thought that immigrants were upper class elitists who would look down on native-born americans.