Ninoy Aquino 's widow , Corazon Aquino , was immediately installed Change_of_leadership as the eleventh President as a result of the revolution .

More calls for resignation came from Manila Cardinal Archbishop Jaime Sin , the Catholic Bishops Conference of the Philippines , former Presidents Corazon Aquino and Fidel Ramos , and Vice President Gloria Macapagal-Arroyo ( who had resigned her cabinet position of Secretary of the Department of Social Welfare and Development ) .