The three primary reasons are <em>the requirements for Confederate states to reenter the Union; overseeing the rebuilding of a Southern economic infrastructure; the fate of millions of freed slaves.</em> These were the main issues and hot topics of American Civil War during that time.
Possibly a loose pile of rocks? As it travels down a steep hill.
Answer:Rational Choice Theory
Explanation: What Is Rational Choice Theory?
Rational choice theory states that
people consider their choices rationally through making rational calculation and evaluating if those choices will go along with their personal objectives.
These choices has to be in line with a person's best interest.
Using rational choice theory means a person expects an outcome that will satisfy and benefits them.
Okay, this just goes back to the civil war. one difference between the northern and southern was the idea of slavery.