Southeast Asia Treaty Organization
As president, he was a close friend and supporter of the United States and a vocal spokesman against communism during the Cold War. He led the foundation of the Southeast Asia Treaty Organization also known as the Manila Pact of 1954, that aimed to defeat Marxist-Leninist movements in Southeast Asia, South Asia and Oceania. During his term, he made Malacañang Palace literally a "house of the people", opening its gates to the public.