Challenge: Dissolve the UN

[A Random Person]

Your challenge is to have the UN go the way of he League of Nations. The earliest POD you could use is immediately AFTER the first peacekeeping mission.

I want a couple years of successful UN. I don't want it to be stillborn.

[Berra]

Make it a negotiation mechanism between Soviet and the US. Hence it will lose it's importance when Soviet collapses.