It reminded people that a nuclear war would be devastating for everyone.
Answer: Religious persecution
Explanation: When the pilgrims landed on Plymouth, Massachusetts in 1620, they were in search for from religious persecution. The puritans wanted to break away from the Catholic church and become pure to be close to god. Thus, comes the name "puritanism" to be pure from sin and serve god's will.
Hope this background knowledge helps.
Best of luck to you.
I would say D: The theory that Africa and India should be one continent be cause they don't even connect.
Mughal bahadur shah ll, was named ruler of India in 1857.