There is a role for the United Nations still as a Peacekeeper in today's world because they can't necessarily force a country to make or keep peace but they can go to a country with a smaller war going on and slowly make peace and as they progress with the small countries they can move onto the bigger countries to make peace.
Srry i'm soo late but the answer is A. President McKinley's desire for war.
Hope i Helped :)
Answer:
.el derecho de subir a la
tribuna
Explanation: