Which of the events listed had most affected the early development of the united states? why do you think so? what were the effects of the event? a. the war of 1812 b. the louisiana purchase c. the monroe doctrine make sure to answer all : )

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

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