The correct answer for number 1 is C.
The Harlem Renaissance was a period in which African American citizens started to express their abilities through poetry, novels, music, and dance. Thanks to the explosion of African American culture during this time, jazz became one of the most popular music genres of the 1920's.
The correct answer for number 2 is A.
The first Red Scare took place almost immediately after World War I. After seeing what happened with the Russian Revolution, the federal government was worried about a communist revolt in America. This is why the federal government created policies aimed at preserving American values.
The correct answer for number 3 is D.
Americans were worried that immigrants were going to come into America and try to change the values and political system already put in place. This fear caused Americans to dislike immigrants and put the needs/wants of individuals born in the US before anyone else. This concept is known as nativism.