Betty runs for the office of President against Mr. Nobody. Both candidates state their platform through song and dance, referring to political issues of the time. Not long after this cartoon was released, Herbert Hoover was defeated by Franklin D. Roosevelt in the 1932 presidential election.
You can stream Betty Boop for President (1932) free and legally on alltube, via the Internet Archive.
Yes — it is in the public domain and can be watched and shared freely.