How were Japan and China economically different from each other by the end of the 19 century?

Japan was a successfully industrialized country with a sizable army and a strong economy.

China's economy remained weak and vulnerable.

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.