The answer choices missing in the question provided are the following:
Answer:
The cause of the beliefs expressed in the quote was 2. the atomic bomb dropped on Nagasaki
Explanation:
The speaker is referring to the horrible consequences of the atomic bomb dropped on Nagasaki, on August 6, 1945, during World War II. It was dropped by the US as a means to make Japanese surrender completely. The atomic bomb indeed killed over 40,000 people, hurt over 60,000 people, and destroyed many buildings, temples, and institutions.