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".
Juan Bautista Alvarado a new flag—a single red star on a white background, but neither were used after Alvarado made peace with Mexico. Alvarado, at age 27, was then appointed governor, but the city council of Los Angeles protested. Alvarado, Castro, and Graham went south and negotiated a compromise after three months, avoiding a civil war. However, the city council of San Diego then voiced its disagreement with Alvarado's revolt. This time, the Mexican government was involved and there were rumors that the Mexican Army was ready to step in. Alvarado was able to negotiate another compromise to keep the peace. Mexico reneged