Hi there! Hopefully this helps!
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The 1976 Argentine coup d'état was a conservative coup that ousted Isabel Perón as President of Argentina on 24 March 1976.
Use the word usted (formal)
Yes mis hermanos están feliz (my brothers are happy and btw if not the answer I need more info)
<span>Popocatepetl, Colima and El Chichon</span>