The producers of a popular teenage soap opera decide to portray the characters engaging in healthy behaviors in hopes that young viewers will benefit from emulating their favorite characters. This is an example of:?

This is an example of ENTERTAINMENT EDUCATION.

Explanation: ENTERTAINMENT EDUCATION can be defined as a research-based communication strategy that is designed to give enjoyment, amusement, or relaxation while imparting knowledge, skill, facts, ideas and judgment.

This is made possible through a  custom-tailored piece of entertainment like in the question where the producers of a popular teenage soap opera decide to portray the characters engaging in healthy behaviors so as to encourage viewers to learn.

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.