What is the main religion practiced in Tibet

buddhism

Explanation:

Buddhism has been Tibet's main religion since the 8th century AD

The main religion in Tibet has been Buddhism since its outspread in the 8th century AD.

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.

yes

it is because 3 because the citizen the northern democratic party watned the warning on red to blue because it is purple. lol