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 U.S. has imposed sanctions against 11 Chinese officials for cracking down on political dissent in Hong Kong by arresting democracy advocates, silencing reporters, postponing Hong Kong’s Legislative Council elections, and disqualifying candidates. https://t.co/OSUacrlgU4