Heavy amphetamine use: a) does not affect a driver's safe driving ability. b) keeps drivers awake and decreases the accident risk. c) makes a driver more alert. d) makes a driver less coordinated and at times more likely to be involved in an accident.

c

explanation:

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.

answer; ha,ha,ha, corn on the cop;