To prevent the spread of communism to the south Vietnam
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Alexander III of Macedon, commonly known as Alexander the Great, was a king of the ancient Greek kingdom of Macedon and a member of the Argead dynasty. He was born in Pella in 356 BC and succeeded his father Philip II to the throne at the age of 20.
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3) Europeans explore the Americas
It gave a spark to activism and resistance to segregation in the south this began the struggle for justice