The style of ballot form in which candidates are listed by office with party affiliation listed by their name is known as the

Office block ballot.

Explanation:

This is an Australian system of ballot in which the names of candidates are grouped beneath the titles of the office to be held.

Note: Those candidates can be with or without party labels and are listed alphabetically.

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.

i dont know but thats a great qusestion