The correct term is voter turnout.
Voter turnout represents a percentage of how many eligible voters came out and participated in a recent election. Demographics refers to breaking down individuals who voted in elections based on different factors like race. The other two terms are somewhat unrelated to voting.
The main world leaders at the time were
Hitler - Germany
Franklin D. Roosevelt - USA
Mussolini - italy
Churchill - Britain
stalin- russia
The iron curtain was the wall that separated communism from the rest of Europe during the cold war
kublai khan grandson of ghengish khan was first mongol to rule whole china ......he began yuan dynasty in which many reform were made especially in trade and deplomatic relationship and expanded his kingdom
to the south