Which actions were a provision of the treaty of versailles

Other key provisions of the Treaty of Versailles called for the demilitarization and occupation of the Rhineland, limited Germany's army and navy, forbade it to maintain an air force, and required it to conduct war crimes trials against Kaiser Wilhelm II and other leaders for their aggression.

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.