The answer is The efforts created incentives to grow the crops elsewhere. so I hope this helps
The constitutional principle that was the main focus of the north south conflicts that led to the civil war was the right to own property, since many people in the South felt that slaves were included in terms of "property" that could not be taken away.
Answer:
<h2>This timeline of events leading to the American Civil War is a chronologically ordered list of events and issues which historians recognize as origins and causes of the American Civil War. These events are roughly divided into two periods: the first encompasses the gradual build-up over many decades of the numerous social, economic, and political issues that ultimately contributed to the war's outbreak, and the second encompasses the five-month span following the election of Abraham Lincoln as President of the United States in 1860 and culminating in the capture of Fort Sumter in April 1861.</h2>
I think that the correct answer would be trains