What is Ellis Island? Chapter 6

What year did World War I begin?

(a)  

The United States did not join World War I until (a)   .

During the war, Ellis Island became a holding pen for enemies of the government.

Who treated their wounded at the Ellis Island Hospital?

The dorms at Ellis Island were used to house troops waiting to go over seas.

After World War I, the number of incoming immigrants decreased significantly.

United States citizens worried about losing their jobs to immigrants.

In 1921, Congress passed the

(a)  

(a)   means a limit was placed on how many immigrants could enter the United States each year.

What was the number of immigrants allowed to enter the US each year after the laws passed in 1921?

(a)