-. Which of the following best describes the treatment of African Americans who fought in World War II?
They were treated as heroes.
O Their service in World War II granted them equal rights.
Society still viewed them as second-class citizens.
O They were given higher pay as a result of their military service.

Society still viewed them as second-class citizens.

Explanation:

Some 1.2 million Black men served in the U.S. military during the war, but they were often treated as second-class citizens. Some 1.2 million Black men served in the U.S. military during the war, but they were often treated as second-class citizens.

no statements but ok.

the statement that best describes the idea of manifest destiny that was used in the 19th century would be that "it was fate that the united states would continue to  expand westward," since people thought the us was "destined" to do so. 

i think it was   tsar alexander ii