The photograph below was taken in the United States during World War II:

What does this photograph reveal about American society during World War II?

a. Strong anti-semitic sentiment in the U.S. isolated Jewish-Americans from the main population.
b. Many Americans protested U.S. involvement in European affairs.
c. Prayer and religious services were the main way in which Americans supported the war.
d. People from different religious and ethnic backgrounds united in support of the troops.