Well Shi Huangdi liked having control over others and that came into play when he realized that it was easier to control people that were uneducated. So Shi Huangdi stopped educating ordinary people because he believed that they would be more easier to control.
Regulated european colonization and trade in africa during the new imperialism period and coincinded with germanys sudden emergence as an imperial power.
The correct answer is Andrew Johnson
It would be primarily commerce that takes place "within states" that is not a power of Congress, since the main power of Congress in this regard is to regulate interstate commerce.
Very long story short, farming and sugar, as well as a port to china, east india and asia. and the islands were a prime place for a navel base.