Why was the united states concerned about nuclear missiles in cuba?

Question 1(multiple choice worth 5 points) the yalta conference failed to achieve which outcome? germany would be divided into zones of occupation. stalin would support the effort to create the united nations. stalin would join the war against japan after germany's defeat. german zones of occupation would have free elections.

What was president nixon’s approach of using tension between us and other nations

Aside from low birthrates and high death rates, what can cause a country’s population to decline