sentences:  Following the Cuban Revolution in 1958, led by Fidel Castro, Selden was influential in the passage of the October 19, 1960 United States embargo against Cuba and their expulsion from the Organization of American States on January 31, 1962.He also represented the US at the inauguration of Anastasio Somoza in 1967.He served as Principal Deputy Assistant Secretary of Defense (International Security Affairs), October 1970 – February 1973, and as U.S.