What is the significance of the Plaza de Mayo? Question 3 options: a) There were rallies held to overthrow President Peron, and when bombings took place at these rallies, 364 people were killed b) The balcony in the plaza is where President Pinochet gave a famous speech, promising to end poverty and build shelters for the homeless. c) This is where President Allende had an assassination attempt done by a student who was angry that his parents were killed by Allende's regime. d) This is where Father Hidalgo pleaded with Evita Peron to stop her husband's invasion