Answer:
Aryabhata
Explanation:
Aryabhata he is an indian mathematician and astronomer wrote that earth was a rotating sphere
This is true. Leaders in democratic societies are chosen by the means of an election, and when important things about governing are being made, the country has a referendum vote where everyone votes on something important. If it's not that important, then the leader decides.
some people argue it was over slavery vs. legal rights. the fact of the matter is that both statements are correct; specifically southern states did have major taxes put on their exports (agriculture gained through slavery is their main export) which made it impossible to actually make money. so they decided to leave the union
they needed to rebuild destroyed infrastructure.