Tupamaros took up an overtly armed struggle.
President Jorge Pacheco declared a state of emergency in 1968, followed by a further suspension of civil liberties in 1972. In 1973, amid increasing economic and political turmoil, the armed forces closed the Congress and established a civilian-military regime. Around 180 Uruguayans are known to have been killed during the 12-year military rule from 1973–1985. Most were killed in Argentina and other neighbouring countries, with only 36 of them having been killed in Uruguay.
Return to democracy (1984-)
A new constitution, drafted by the military, was rejected in a November 1980 referendum. Following the referendum the armed forces announced a plan for the return to civilian rule, and national elections were held in 1984. Colorado Party leader Julio María Sanguinetti won the presidency and served from 1985 to 1990. The first Sanguinetti administration implemented economic reforms and consolidated democracy following the country's years under military rule.
The National Party's Luis Alberto Lacalle won the 1989 presidential election and an amnesty for human rights abusers was endorsed by referendum. Sanguinetti was again elected in 1994. Both carried on with the economic structural reforms initiated after the reinstatement of democracy and other important reforms were aimed at improving the electoral system, social security, education, and public safety.
The 1999 national elections were held under a new electoral system established by a 1996 constitutional amendment. Colorado Party candidate Jorge Batlle, aided by the support of the National Party, defeated Broad Front candidate Tabaré Vázquez. The formal coalition ended in November 2002 when the Blancos withdrew their ministers from the cabinet, although the Blancos continued to support the Colorados on most issues. Low commodity prices and economic difficulties in Uruguay's main export markets, first in Brazil with the
