Question

why were the mothers of the plaza de mayo upset with argentinas military government? their children were missing. their children had no schools. their children were hungry. their children had no homes.

Explanation:

The Mothers of the Plaza de Mayo are a group of Argentine women whose children were kidnapped, disappeared, and killed by the military dictatorship that ruled Argentina from 1976 to 1983, during the period known as the "Dirty War". Their protests centered on demanding information about their missing children, making this the core reason for their anger at the military government.

Answer:

Their children were missing.