Answer:
The United States has been involved in a number of foreign interventions throughout its history. There have been two dominant schools of thought in the United States about foreign policy, namely interventionism and isolationism which either encourage or discourage foreign intervention, both military, diplomatic, and economic, respectively. The CIA was created under the National Security Act of 1947, which President Truman signed on July 26, 1947. The CIA officially came into existence on September 18 that same year. President Truman appointed the Deputy Director of CIG, Roscoe H. Hillenkoetter as the first Director of the Central Intelligence Agency. US Military and Clandestine Operations in Foreign Countries - 1798-Present ... Note that US operations in World Wars I and II have been excluded. ... 1903, Guam, Navy begins development in Apra Harbor of a permanent base installation. ... 1918-1920, Panama, Troops intervene, remain on "police duty" for over 2 years.
Step-by-step explanation:
sorry i didn't know much on the CIA. but i hope this helps you a bit :)