How do the three branches of government sometimes work against each
other?

Checks and balcances

Explanation:

For example the legislative brach will send a bill to the president (executive) and the executive will veto the bill, but if the bill passes, the judicial can also deny the bill

louverture's prominent role in the haitian success over colonialism and slavery had earned him the admiration of friends and detractors alike.

explanation:

toussaint louverture began his military career as a leader of the 1791 slave rebellion in saint-domingue; he was by then a free man and a jacobin.