The North was primarily fighting to abolish slavery while keeping the Union in tact. The North was upset when the South officially left the colonies, since it made them look weaker to other countries, as they themselves were on the brink of civil war. They did not want secession to be legal for this reason, but at the same time they did not agree with the South's view on slavery.
Answer:
Soviet Union was the country that sufferer the greatest number of deaths during second world war
Answer: A positive impact that the development of canals in the U.S is B!
Explanation:
The canals allowed more ways to travel through some land to expand and secure more trades in the west !