Range of Military Operations in planning.
These operations vary in size, purpose, and combat intensity within a range of military operations that extends from military engagement, security cooperation, and deterrence activities to crisis response and limited contingency operations, and, if necessary, to major operations and campaigns. The use of joint capabilities in military engagement, security cooperation, and deterrence activities shapes the operational environment and helps to keep the day-to-day tensions between nations or groups below the threshold of armed conflict, while maintaining US global influence.
I believe the answer is: Usman and Fodio
Both these scholars wrote hundreds of books for African people regarding, government, culture, religion, and social science.
These knowledge has been used for the past Three centuries after their arrival, by people in western africa as a foundation to built their islamic states.
Korean War, 1950
U2 Crisis, may 1960
Bay of Pigs, 1961
Marshall Plan and Truman Doctrine,1947
Cuban Missile Crisis, 1962
I believe the answer is :Random sampling
Random sampling refers to select a group of subjects that could be used as sample for a research from a large population. The selection is beind done without any criteria in hope that the sample at least represent the general composition of the population.