Why did the south have slavery as a part of their economic system while the north did not?

Leading up to the french and indian war, the british were

The term 'white man's burden" refers to the difficulty of converting colonists to christianity. the belief that europe had a duty to civilize other people. the conviction that white people were superior to all others. the struggle to survive in an increasingly industrialized world.

President lincoln needed a union victory he got it at the battle of fight near the town sharpsburg maryland