Which event has come to symbolize the Cold War

Which of the following statements best describes relations between india and pakistan? a. the countries have had peaceful relations since the partition of india. b. the countries have an ongoing trade dispute with bangladesh. c. the countries have had conflicts over the region of kashmir. d. the countries have agreed not to develop nuclear weapons.

Any study/memorization tips? i have exams in a week and it would be great to try suggestions!you ; )

3. explain one example of how the u.s. has struggled to balance energy independence and environmentalprotection