Xerxes was the Athenian admiral who won a great victory at the Battle of Salamis.
They were fighting on their territory so the land was familiar and they were well equipped
Prophet Muhammad was the founder and early leader of Islam.
The correct one:
The Harlem Renaissance was a cultural and artistic movement during the 1920s that focused on the experience of black Americans.
Why the others are not correct:
The 1960s was the time of the Civil rights and Black Power movement.
The 1820s... well... slavery still existed. It didn't end until 1865 so there was no positive movement or experiences for us then.