The main reason for the formation of the united nations was
a. to end world war i.
b. united states approval of the charter.
c. to save future generations from wars.
d. the dissolution of the league of nations.

The main reason for the formation of the United Nations was c) to save future generations from wars. The United Nations is defined as "an intergovernmental organization to promote international co-operation." It's headquarters are in New York City in the United States.

Soory i don’t know hope you get a good grade