Great discussion and compromise.
Your answer for this question is D.Competition
Yes the civil war was mostly fought over the freedom and rights of slaves and captive children.
Roman Catholic, judaism and im
Not sure about the last one
It helped because it eased transportation now it was possible to go to the other side of the county in shorter mount of time also farmers at the time started using it to transport their crops and make more money for example I live in Florida so here we grow lots of oranges here it would probably cost me a dollar but if I take it to another state that does not grow oranges Ill charge more
hope this helps :) <span />