Answer:
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As was the custom in England, the Pilgrims celebrated their harvest with a festival. The 50 remaining colonists and roughly 90 Wampanoag tribesmen attended the "First Thanksgiving.
The main reason why the United States was so interested in the security of Latin America is because the Latin American countries were so close to the US, meaning that if they were invaded by European powers it would post a threat to the US.
Germany wanted to build up her empire. This is known as imperialism.