TOMMY (persistently but a little intimidated by the crowd)

It's always that way, in every story I ever read about a ship landing from outer space.

—The Monsters Are Due on Maple Street,
Rod Serling

What scientific fact is Tommy’s theory based on?

Meteors can do some crazy things.
Spaceships often land on Earth.
Technology makes space travel possible.
Meteors can move people from planet to planet.

because of all the immigration, america became one big melting pot. the diversity of cultures from all over the world made america somewhat divided as well. people that immigrated stayed with their kind, and their traditions, while native born americans stayed with their kind and their traditions. normally, people born in american scorned the immigrants as well. the new religions also divided america. in summary, it took away from the american culture and identified america as the "melting pot."