![Natacha Pisarenko Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship during a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)](https://mapi.associatedpress.com/v2/items/7f623bef45b847e2a5686296d308c17c/preview/preview.jpg?s=680x)
Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship during a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)
![Natacha Pisarenko Demonstrators push a cart with effigies of "Uncle Sam" symbolizing the government of the United States embracing President Javier Milei during a march marking the anniversary of the 1976 military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)](https://mapi.associatedpress.com/v2/items/2ca92ffdfef84fbd9d1327e5e7eb456a/preview/preview.jpg?s=680x)
Demonstrators push a cart with effigies of "Uncle Sam" symbolizing the government of the United States embracing President Javier Milei during a march marking the anniversary of the 1976 military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)
![Rodrigo Abd Members of Grandmothers of Plaza de Mayo human rights group hold hands during a march marking the anniversary of the 1976 military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Rodrigo Abd)](https://mapi.associatedpress.com/v2/items/9dca124834b147dbbb3fd6f6ed92d549/preview/preview.jpg?s=680x)
Members of Grandmothers of Plaza de Mayo human rights group hold hands during a march marking the anniversary of the 1976 military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Rodrigo Abd)
![Rodrigo Abd Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship in a march commemorating the 48th anniversary of the coup, at the Playa de Mayo square in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Rodrigo Abd)](https://mapi.associatedpress.com/v2/items/2f6ee06c02e14015a92738ea96e5be68/preview/preview.jpg?s=680x)
Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship in a march commemorating the 48th anniversary of the coup, at the Playa de Mayo square in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Rodrigo Abd)
![Natacha Pisarenko A demonstrator holds a sign reading in Spanish "Never Again" during a march commemorating the anniversary of the 1976 military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)](https://mapi.associatedpress.com/v2/items/06af980495df476e9865c02b44da727a/preview/preview.jpg?s=680x)
A demonstrator holds a sign reading in Spanish "Never Again" during a march commemorating the anniversary of the 1976 military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)
![Natacha Pisarenko Demonstrators carry inflatables shaped like the number 30,000, referring to the number of people who, according to human rights groups, disappeared during the 1976-1983 military dictatorship, during a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)](https://mapi.associatedpress.com/v2/items/cbf430533e10404ebff38aed2b2cf2ac/preview/preview.jpg?s=680x)
Demonstrators carry inflatables shaped like the number 30,000, referring to the number of people who, according to human rights groups, disappeared during the 1976-1983 military dictatorship, during a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)
![Natacha Pisarenko Demonstrators display photos of people who disappeared during the 1976-1983 military dictatorship during a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)](https://mapi.associatedpress.com/v2/items/84cef350addb4ce5afdb60e66ed3d63d/preview/preview.jpg?s=680x)
Demonstrators display photos of people who disappeared during the 1976-1983 military dictatorship during a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)
![Natacha Pisarenko Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship in a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)](https://mapi.associatedpress.com/v2/items/fd3ca039b3f34331b884935bfea3be5c/preview/preview.jpg?s=680x)
Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship in a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)
![Victor R. Caivano Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship in a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Victor R. Caivano)](https://mapi.associatedpress.com/v2/items/d21fa71376a040e7996b7c715e3e59fe/preview/preview.jpg?s=680x)
Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship in a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Victor R. Caivano)
![Rodrigo Abd Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship in a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Rodrigo Abd)](https://mapi.associatedpress.com/v2/items/0c325b716edd49d09307c52ac8fad5b2/preview/preview.jpg?s=680x)
Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship in a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Rodrigo Abd)
![Rodrigo Abd Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship in a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Rodrigo Abd)](https://mapi.associatedpress.com/v2/items/6e5f6e2555b94552922a441c0eb3d8b2/preview/preview.jpg?s=680x)
Demonstrators carry a banner with photos of people who disappeared during the 1976-1983 military dictatorship in a march commemorating the 48th anniversary of the coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Rodrigo Abd)
![Natacha Pisarenko A demonstrator cries during a march marking the anniversary of the 1976 military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)](https://mapi.associatedpress.com/v2/items/bddd98cc99304f708ebf3433ff6ca2fb/preview/preview.jpg?s=680x)
A demonstrator cries during a march marking the anniversary of the 1976 military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Natacha Pisarenko)
![Victor R. Caivano Demonstrators gather in front of the Casa Rosada presidential palace during a march commemorating the 48th anniversary of the military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Victor R. Caivano)](https://mapi.associatedpress.com/v2/items/cc8c6320c03b482f9f905713af06b66d/preview/preview.jpg?s=680x)
Demonstrators gather in front of the Casa Rosada presidential palace during a march commemorating the 48th anniversary of the military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Victor R. Caivano)
![Victor R. Caivano Taty Almeida, of the Mothers of Plaza de Mayo human rights group, waves during a march marking the 48th anniversary of the military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Victor R. Caivano)](https://mapi.associatedpress.com/v2/items/b2c671650e554e13a605c9589e036955/preview/preview.jpg?s=680x)
Taty Almeida, of the Mothers of Plaza de Mayo human rights group, waves during a march marking the 48th anniversary of the military coup in Buenos Aires, Argentina, Sunday, March 24, 2024. (AP Photo/Victor R. Caivano)