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:

The United States takes great pride in our leading role in establishing the United Nations 75 years ago. We will continue working to ensure that the @UN serves its members effectively, with integrity, and in a fair and transparent manner. #USUN75 https://t.co/2xVtqJ548O