It installed Change_of_leadership the military dictatorship Control of Carlos Castillo Armas , the first in a series of U.S.-backed authoritarian rulers in Guatemala .

Nearly four decades of civil war followed , as leftist guerrillas fought Hostile_encounter the series of U.S.-backed authoritarian regimes whose brutalities include a genocide of the Maya peoples .

However that Constitution was short-lived , as in 1937 , amidst growing Expansion extremism on the left Departing and right wings of the political spectrum , Vargas closed Process_end the National Congress and enacted Creating another Constitution , which established Building an authoritarian regime called Name_conferral Estado Novo .

the invasion Attack successfully stopped Process_end alexander UNK 's prague spring liberalisation reforms Reforming_a_system and strengthened Cause_change_of_strength the authority of the authoritarian wing within the communist party Social_event of czechoslovakia ( unk ) .

The Portuguese conservative and authoritarian regime at the time , `` Estado Novo '' , was overthrown Change_of_leadership by a military coup in 1974 , and the change in government brought Bringing the conflict to an end .

The 28 May 1926 `` coup d'état '' , sometimes called 28 May Revolution or , during the period of the authoritarian Estado Novo ( ) , the National Revolution ( ) , was a military coup Change_of_leadership of a nationalist origin , that put an end to Process_end the unstable Portuguese First Republic and initiated Process_start 48 years of authoritarian rule in Portugal .

The 28 May 1926 `` coup d'état '' , sometimes called 28 May Revolution or , during the period of the authoritarian Estado Novo ( ) , the National Revolution ( ) , was a military coup Change_of_leadership of a nationalist origin , that put an end to Process_end the unstable Portuguese First Republic and initiated Process_start 48 years of authoritarian rule in Portugal .

The revolution was unusual for the surprise it created Creating throughout the world : it lacked many of the customary causes of revolution ( defeat at war , a financial crisis , peasant rebellion , or disgruntled military ) , occurred Coming_to_be in a nation that was experiencing relative prosperity , produced Creating profound change at great speed , was massively popular , resulted in Causation the exile of many Iranians , and replaced Change_of_leadership a pro-Western authoritarian monarchy with an anti-Western theocracy based on the concept of Guardianship of the Islamic Jurists ( or `` velayat-e faqih '' ) .