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4 votes
Explain why the US suddenly abandoned its isolationism and turned outward at the end of the 19th century

User Kotireddy
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2 Answers

1 vote
The increase of manufacturing capacity after the Industrial Revolution, Thayer Mahan's belief the US needed a steel-hulled navy and an isthmian canal, manifest destiny, Christianity, and social Darwinism.
User Piyushj
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7.6k points
5 votes
They wanted to become more of a world power to be able to compete with france, germany, spain, and england
User Orde
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