B most likely I learned this yesterday but forgot I think its correct but we have Google for these questions
While the threat of mutually assured destruction seemed to fade with the end of the Cold War, the threat of "<span>B. the proliferation of weapons of mass destruction"</span> still exists
The correct answer to this question is Japan bombed the Pearl Harbor. The time when Japan bombed the Pearl Harbor got the United States to finally enter the war. Although the war has begun with the Germany's invasion of Poland, the United States agreed to stay out of it. However, everything changed on December 7, 1941, a date that every American will never forget.
https://www.quora.com/What-gifted-musician-was-heavily-involved-in-the-1960s-Civil-Rights-Movement-with-Martin-Luther-King-and-Caeser-Chavez try this link, someone asked the question here