During the 1840's the idea of manifest destiny was used?
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just like you man, i personally think its either c or d

explanation:

but good luck with the test man

the united states broke it's neutrality was the constant german sinking of trading vessels resulting in the loss of lives, one example would be the lusitania.

it might be to see if the person answering knows what they are talking about other than just saying, "its b hope this ! : )" because they could say it then get the wrong answer because they only answered for the points.