During the Kennedy presidency between 1961 and 1963, the United States suspended economic aid and / or broke their diplomatic relations with several countries experiencing a dictatorial regime, such as Argentina, Dominican Republic, Ecuador, Guatemala, Honduras, and Peru. But these suspensions were applied temporarily, for periods ranging from three to six months.
Since 1964, during the term of Lyndon Johnson, the program of discrimination against dictatorial regimes was interrupted. In March 1964, the United States approved of military intervention in Brazil to overthrow the elected president, João Goulart, and stood ready to intervene if necessary in connection with the operation Sat Brother
In 1965, the United States deployed 24,000 troops in the Dominican Republic to stop a potential turning left the country with Operation Power Pack.
Thus, the Alliance for Progress program includes numerous military and police assistance to counter communist subversion, as LAZO Plan Colombia.