Lords could levy taxes on their townspeople
The League of Nations was formed to unify many countries. It wasn't very efficient. The United Nations was essentially an improved version of the League of Nations.
The answer is Canal. Canals are human-made channels for water movement, or to administration water transport vehicles. In the vernacular, both are alluded to as 'trenches', and as a rule, the built works will have a progression of dams and bolts that make territories of the low-speed current stream. These territories are alluded to as 'slack water levels', frequently just called 'levels'.
Toussaint L’Ouverture was the leader of Haiti that won freedom for the slaves and independence from France. His biggest fear was the restitution of slavery.
