Answer:
Grasslands Im sorry if its wrong but if not hope it helped!
Explanation:
The correct answer would be World War II. The largest amount of Americans who served in the armed forces is during the World War II. During the world war II, <span>a large standing army become officially established. Hope this is the answer that you are looking for. </span>
One primary cultural effect of the sheet music published in Tin Pan Alley was to: "offer job opportunities in the arts to African American musicians."
- This is evident in the fact that the Tim Pan Alley musicians sang songs that promote the mentality of the United States citizens.
- Their songs also assist in reducing the racial and national tensions, especially people of African American descent.
- The stage called the vaudeville at Tim Pan Alley was famous for promoting the struggle of African Americans.
Hence, in this case, the correct answer is option C "offer job opportunities in the arts to African American musicians."
Learn more here: brainly.com/question/12545386