(mc)which statement describes a key difference between the league of nations and the united nations?
a. member nations contribute a certain amount of money to the organization.
b. member nations placed armed forces at the disposal of the organization.
c. political factions in some member nations resisted joining the organization.
d. the president of the united states strongly supported the organization.

The statement that describes a key difference between the League of Nations and the United Nations is option B. Member nations placed armed forces at the disposal of the organization.

The League of Nations lacked support from the United States army so that,  they didn't have soldiers since Europe was affected by war. Without anyone to enforce the laws that were made, nobody cared about adhering to those laws. The United Nations have an army at their disposal whose purpose was to commit to carry out peace missions accross the world and prevent wars wars or conflicts akin to them.

i am not 100% positive but i think it is is b. both are non-partisan jobs

i am pretty sure that members of congress have term limits, can be impeached, and are nominated through direct popular vote.