manufacturing-based economy
A nonviolence anti-apartheid activists became Africa’s first black president, from 1994 to 1999
They were hindered by economic development and lack of enforcement, so I'd say 1. Cost, because no one would pay for it.
Answer: presidental democracy
Explanation:
This is because the president is head of both state and goverment unlike some other states.
1. B, the treaty of paris
2. D, Charles Montesquieu
I hope this helped!