juan perón became argentina's minister of labour after participating in the 1943 military coup and was elected president of argentina in 1946. he introduced social programs that benefited the working class, supported labor unions, and called for additional involvement of the state in the economy. in addition he helped industrialists. perón was very popular and gained even more admiration through his wife, eva, who championed for the rights of migrant workers and was loved by the people. due to rising inflation and other economic problems, the military overthrew perón in 1955. the peronist party was banned and it wasn't until 1973 that open elections were held again. in the 1973 election, perón was again elected president. he died the next year and his widow, isabel, took his place as president. perón's death had led to disunity and the military overthrew isabel in 1976.