Answer:
Vetoing others resolutions.
Explanation:
Neither side left the UN, hosted rival meetings, or blocked each other's allies from entering, but both did use their power in the security council and influence of their allies to veto each other's resolutions.
Petroleum
Oyie churail Pts west mat kal nah apne comment diya heina... xD
b
E all of these
how I know this is because It's the only one that is most reasonable and because I got it right by guessing.