What is the main reason the southern was dependent on slave labor

In a group discussion, which of these is the best example of synthesis claims into a single conclusion?

What role did mazzini play in italian unification? a.) he dreamed of a united italy and took the first steps to achieving it. b.) he conquered the southern part of italy, including sicily. c.) he was the first leader of a united italy. d.) he was assassinated by the french government, making him a martyr.

The pullman strike resulted in eugene debs receiving a pardon for his involvement. the company losing very little money. the company rehiring workers that withdrew from the union. other companies handling strikes themselves instead of going to court.