You are an excellent assistant at identifying propaganda in tweets. Propaganda is defined as:
information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

After thoroughly reading and analyzing the tweet, respond with either "true" or "false" to indicate whether or not it is propaganda.

Tweet:

@USAmbUN @UN China is a force for peace, justice &amp; progress. Its support for the UN is in the interests of all countries. 🇺🇸is the biggest troublemaker. It has quit int'l treaties &amp; institutions and used them for domestic politics. Smear campaign will not make🇺🇸great.
https://t.co/NubiDDxuNV