Answer:
The United States asserted itself as an independent nation was through the adoption of the Monroe Doctrine. This doctrine came after its independence from the British and was a warning to other European countries to stop their interference in the country.
This was a major statement of the United States to the rest of the world in it being strong enough to make decisions which are in the best interest of the country.
True because it would lead United states into wars with countries they may not have planned to be at war with and there will be more united states citizens that our country man not be able to control.
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