This is called censorship
Disinformation is a euphemism for lie, propaganda is something of political and ideological advertising, while stereotyping is creating stereotypes or applying them. Censorship is limiting other people's freedom of speech.
Masks slow the spread of the virus because they can keep people who are infected from spreading respiratory droplets to others when they cough, sneeze, or talk.
The store had been closed for two days; however, Murray still needed to get in.
You explore possible topics during the prewriting stage of the writing process. Hope this is useful.