The super powers did not intervene in Rwanda because it has become the custom to have the UN intervene instead. Unfortunately the UN usually sits on its hands and does very little.
The UN has failed to intervene in international problems in an effective manner. It would seem unwise to increase the UN's role in such matters.
*Rwanda
No. There has been no need for the UN to intervene in Spain.
The UN decision to intervene in Korea was not vetoed by the Soviet Union because at that time the Soviet Union was not a part of the UN. The Soviet Union had removed itself from the UN in protest.
by sending them to jail
No, there has not been a conflict.
no it has not
nope
No, The Soviet Union were boycotting the UN at the time, so they were unable to intervene in the voting.
Malaria was uncommon, if not unheard of.
No because they were currently boycotting the UN.