In debates leading up to the three-fifths compromise, northen states argued that

Slaves should not be included when counting a state's population to determine representation in congress.

Explanation:

The three-fifths compromise was a big component of the Connecticut Compromise. Since the compromise said that representation in the House of Representatives was to be based on population, the “value” of a slave had to be defined. In particular, smaller states did not think larger states with more slaves should be allowed to consider slaves as part of their population. A compromise was reached: a slave would count as three-fifths of a person when counting population for representation.

because of its location and commercial importance, atlanta was used as a center for military operations and as a supply route by the confederate army during the civil war. therefore, it also became a target for the union army. general william tecumseh sherman and his troops captured the city in 1864.