What was the purpose of the Southeast Asian Treaty Organization (SEATO)?

SEATO established a network of trade agreements to promote capitalism in Southeast Asia.
SEATO sought to provide regional security in Southeast Asia by establishing alliances.
SEATO linked Southeastern Asian countries through a highway system that promoted migration.
SEATO loosely connected Southeastern Asian countries by promoting demilitarization.
I know the main goal was to prevent communism, my best guess is D?

Wasn't D. Maybe B

The correct answer is option B: SEATO sought to provide regional security in Southeast Asia by establishing alliances.

SEATO, also known as the Southeast Asian Treaty Organization, was created in 1954 in response to the perceived threat of communism in Southeast Asia. The organization aimed to build a collective security system in the region by establishing alliances among its member countries. It was formed by the Manila Pact, which was signed by Australia, France, New Zealand, Pakistan, the Philippines, Thailand, the United Kingdom, and the United States.

SEATO's main purpose was to deter communist aggression in Southeast Asia, particularly in countries like Vietnam, Laos, and Cambodia. The member countries committed to coming to each other's aid in the event of an armed attack within the region. Thus, by forming alliances and strengthening mutual defense, SEATO aimed to provide security and stability to Southeast Asia.

So, option B is the correct answer.