Juan Velasco Alvarado Peruvian plans were revisionistic scholar Kalevi J. Holsti claim more important issues behind were the "ideological incompatibility" between the regimes of Velasco Alvarado and Pinochet and that Peru would have been concerned about Pinochet's geopolitical views on Chile's need of naval hegemony in the Southeastern Pacific. Economic difficulties such as inflation, unemployment, food shortages and increased political opposition after the 1974 crackdown on the press ultimately increased pressures on the Velasco Administration and led to its downfall. On August 29, 1975, a number of prominent military commanders initiated a coup in the southern city of Tacna, nicknamed " El Tacnazo".
Provisional Revolutionary Government of the Republic of South Vietnam and adopted at that time as the anthem of the National Front for the Liberation of Vietnam. Provisional Revolutionary Government of the Republic of South Vietnam The Provisional Revolutionary Government of the Republic of South Vietnam (PRG) was formed on June 8, 1969, as an underground government opposed to the government of the Republic of Vietnam under President Nguyễn Văn Thiệu. Delegates of the National Liberation Front, as well as several smaller groups, participated in its creation. The PRG was recognized as the government of South Vietnam by most communist states. It signed the 1973 Paris Peace Treaty as an