Why did military leaders overthrow the government of chile and Argentina in the 1970s?

Military leaders in Chile and Argentina overthrew their respective governments in the 1970s for different reasons.

In Chile, General Augusto Pinochet led a military coup against President Salvador Allende in 1973. The military cited concerns about growing left-wing influence and economic instability in the country as justification for the coup. The military claimed that they were acting in the interest of restoring order and preventing further chaos in Chile.

In Argentina, a military junta overthrew President Isabel Peron in 1976. The military justified their actions by citing widespread corruption, economic crisis, and political violence in the country. The military believed that they needed to intervene to restore stability and security, and to crack down on perceived threats from leftist guerrilla groups.

Overall, the military leaders in Chile and Argentina justified their coups as necessary actions to restore order, stability, and security in their respective countries, although their actions also led to widespread human rights abuses and political repression.