A contentious issue at the 1787 Constitutional Convention was whether slaves would be counted as part of the population which they were deciding if they be under the representation of the states in the Congress or would instead be considered property and, as such, not be considered for purposes of representation.
When prince Ferdinand and queen Isabella were married Spain was unified
Answer:
Slavery was so profitable, it sprouted more millionaires per capita in the Mississippi River valley than anywhere in the nation. With cash crops of tobacco, cotton and sugar cane, America's southern states became the economic engine of the burgeoning nation.