The major difference between the dissonance theory and the self-perception theory is that the former relies on the motivating effects of , while the latter does not.

tension                                    

Explanation:  

Dissonance theory: In psychology, the term "dissonance theory" was introduced by Leon Festinger during 1957, and is defined as a process in which an individual experiences dissonance by holding contradictory values, beliefs, or ideas i.e, the way an individual thinks and the way he or she behaves is entirely different and because of this the person experiences "psychological stress or tension".

Self-perception theory: In psychology, the term "self-perception theory" was proposed by a psychologist named Daryl Bem, and is defined as a process of "attitude formation". The theory signifies that an individual develops his or her attitude by observing one's own behavior and therefore with this he or she is able to conclude the reason behind a behavior that is being caused by attitude.

nasa 3

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.