What is the Sci-fi element in Rob Sterlings, "The Monsters are Due on Maple Street"?

1960's "The Monsters Are Due on Maple Street" was written by Rod Serling and covered one of his favorite themes: mob psychology. A peaceful summer day on Maple Street in a quiet suburban town is shattered when the residents believe they're under some type of bizarre alien invasion.

Explanation:

he believed that congress would be better not dealing with "lobbyists", or people who seek to influence (a politician or public official) on an issue, since historically, they had problems with these kinds of people. he thought lobbying produces benefits, but should be carefully monitored.