Good Neighbor policy end of the Cold War the United States directly or indirectly attacked all suspected socialist or nationalist movements in the hope of ending the spread of Soviet influence. U.S. interventions in this era included the CIA overthrow of Guatemala's President Jacobo Árbenz in 1954, the unsuccessful CIA-backed Bay of Pigs Invasion in Cuba in 1961, occupation of the Dominican Republic 1965-66, CIA subversion of Chilean President Salvador Allende in 1970–73, Operation Charly in Central America, the Plan Condor in South America, and CIA subversion of Nicaragua's Sandinista government from about 1981 to 1990. After World War II, the Organization of
CIA activities in Canada program was cancelled in 1959, many believed that the CIA was partly responsible, fearing Canadian intrusion into aerospace dominance. In 1961, the CIA wrote an intelligence estimate titled "Trends in Canadian Foreign Policy" which suggested that the Conservative government of John Diefenbaker "might take Canada in a divergent direction" and seek "a more independent foreign policy" and suggested that a return of the Liberal Party might "soften the Canadian resistance to the storage of nuclear weapons on Canadian soil". In 1967, Prime Minister Lester Pearson announced he would investigate the allegations of the CIA helping him oust Diefenbaker. In 1982,