When you go to your therapist in an attempt to overcome your fear of heights, she asks you to lie on a couch and relax while you imagine slowly climbing up the steps of a ladder.
by having you progressively relax while imagining a stressful stimulus, she is using

a. exposure.
b. modeling.
c. cognitive restructuring.
d. systematic desensitization.

there are treatment options for depression (mdd) that may work for you. one way of treating depression may be to affect the levels of certain chemicals that brain cells use to communicate, called neurotransmitters. scientists believe that certain neurotransmitters may be out of balance in depression.

although the exact way depression medications shown to ease overall depression symptoms in some people work is unknown, scientists think that some medications work by affecting the levels of a neurotransmitter called serotonin in the brain. other treatments work by affecting the levels of other neurotransmitters like norepinephrine or dopamine.

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.