What was the main idea of the Monroe Doctrine?

The main idea was that European countries were not allowed to occupy South American nations or interfere in the business of the Western hemisphere, or the United States would react with force.

which question?

explanation:

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this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.