The Monroe Doctrine was a United States policy of opposing European colonialism in the Americas beginning in 1823. ... By the end of the 19th century, Monroe's declaration was seen as a defining moment in the foreign policy of the United States and one of its longest-standing tenets.
The turning point changed history. It had a significant and lasting impact o human development
Answer:
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1 .securing a just and lasting peace in Europe
2. restricting the freedom of trade to benefit the United States
3. transferring control of European colonies to Britain
4. punishing Germany for starting World War I