When a forming planet is big enough, it starts to clear its path around the star it orbits. ... A planet's gravity pulls equally from all sides. Gravity pulls from the center to the edges like the spokes of a bicycle wheel. This makes the overall shape of a planet a sphere, which is a three-dimensional circle.
Madison allowed the Bank of the United States to go out of business, An increase in American manufacturing took place, and a strong sense of patriotism flourished.
I believe the answer is b because there were often wars between African clans and the best way to get rid of the prisoners and get things they needed at the same time was to trade them.