Your answer is Hydroelectric
Well rather than ride slaves horse and carriage were popular with slaves as attendances in case there was a need and of course trains too
The colonist to get mad and do the boston tea party.
By 1619, more than a century and a half after the Portuguese first traded slaves on the African coast, European ships had brought a million Africans to colonies and plantations in the Americas and force them to labor as slaves.
To maintain separation of powers, and to maintain the popular vote are both correct!