Answer:
The North refused to enforce the Fugitive Slave act.
<em>Does your question have answer choices? If so, I can't see them lol.</em>
<u>The correct answer is C. They were rejected by scientists, who believed farmers would always produce enough food. </u>Malthus's studies affirmed that the moment in which the land stopped producing enough food for all its inhabitants was inevitable. Over time it was proved that this theory was false since it did not consider important variables that would occur in the following decades, such as the implementation of birth control techniques and related technological advances applied to agriculture and food production .
The response is: D)railroad
