The correct answer is C I believe, but please correct me if I’m wrong!
China hoped to ensure itself against overpopulation.
1. Vietnam- 1965-1975
2. Afganistan War- 1979-1989
3. Korean War- 1950-1953
4. Sputnik I Launched- 1957
5. Fall of the Berlin Wall- 1989
6. Cuban Missile Crisis- 1962
Answer:He should, Consider whether he ought to go back to find more evidence AND think about whether he needs to change his perspective!