Arms reduction and settling border disputes contributed to the league of nations’ goal of punishing germany for world war i. making europe more powerful. solving international social problems. preventing future warfare.

Preventing future warfare.

Explanation:

The League of Nations was established in 1920, following the Paris Peace Conference that concluded WWI. This organization´s main goal was to deter any future worldwide armed conflict and to keep world peace through disarmament and arbitration in resolving international conflicts. WWII proved that the League had failed its main mission, so it was replaced by the United Nations (UN) after the war.  

c

explanation:

a.tensions between the colonial elites and the backcountry men of virginia.