African-Americans
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<span>Between 1900 and 2000 the increase in world population was three times greater than the entire previous history of humanity– an increase from 1.5 to 6.1 billion in just 100 years.
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All the Mayans, Aztecs, and Incas developed complex mathematical and calendars systems.
The four empires that came to an end due to World War I were GERMANY, RUSSIAN, OTTOMAN, AUSTRIA-HUNGARY empires.
After the World War I, German Forces were driven out of France and forced to go back to Germany. Russia became the Soviet Union. The Ottoman Empire became the country of Turkey.
World War I ended when the Treaty of Versailles was signed between the Allied Forces and Germany on 28th June 1919.
The Supreme Court heads the Judicial branch of the U.S government.