democratically for another term.
The 1964 presidential election of Christian Democrat Eduardo Frei Montalva by an absolute majority initiated a period of major reform. Under the slogan "Revolution in Liberty", the Frei administration embarked on far-reaching social and economic programs, particularly in education, housing, and agrarian reform, including rural unionization of agricultural workers. By 1967, however, Frei encountered increasing opposition from leftists, who charged that his reforms were inadequate, and from conservatives, who found them excessive. At the end of his term, Frei had not fully achieved his party's ambitious goals.
In the 1970 election, Senator Salvador Allende of the Socialist Party of Chile (part of the "Popular Unity" coalition which included the Communists, Radicals, Social-Democrats, dissident Christian Democrats, the Popular Unitary Action Movement, and the Independent Popular Action), achieved a partial majority in a plurality of votes in a three-way contest, followed by candidates Radomiro Tomic for the Christian Democrat Party and Jorge Alessandri for the Conservative Party. Allende was not elected with an absolute majority, receiving fewer than 35% of votes. It became a war of classes, motivated by the central government. Despite pressure from the United States government, the Chilean Congress conducted a runoff vote between the leading candidates, Allende and former president Jorge Alessandri and keeping with tradition, chose Allende by a vote of 153 to 35. Frei refused to form an alliance with Alessandri to oppose Allende, on the grounds that the Christian Democrats were a workers party and could not make common cause with the right-wing.
An economic depression that began in 1972 was exacerbated by capital flight, plummeting private investment, and withdrawal of bank deposits in response to Allende's socialist program. Production fell and unemployment rose. Allende adopted measures including price freezes,