Because the constitution requires state and national government to be united, but each having it's own power. The constitution also states that no one person should have too much power, nor should any branch or state have too much power, so the power is split evenly.
I think it is A sorry if I'm wrong
If I remember right slavery was greatly increased as a result of the Punic Wars because everyone wanted more slaves to harvest from all the land they took over while the Owners where at war. I think thats the answer Sorry if im wrong
