How did slaves contribute to the economic success of the southern colonies?

If the Confederacy had been a separate nation, it would have ranked as the fourth richest in the world at the start of the Civil War. The slave economy had been very good to American prosperity. By the start of the war, the South was producing 75 percent of the world’s cotton and creating more millionaires per capita in the Mississippi River valley than anywhere in the nation. Slaves represented Southern planters’ most significant investment—and the bulk of their wealth

i think the answer is true : ))

a small town is a good definition for new france in 1750. new france was the area colonized by france in north america. the area is nowadays the city of quebec in canada.