It failed because China is a land of the proletariat and the ruling party is a communist one while the fifth modernization was about introducing democracy. Since the party represents the working class and the will of the people in theory, democracy is against it since it would enable those who are against the party to also compete which would in theory mean that they are against the people.
We are in need of the statement that were given to you in-order to help you with the correct answer <3
D the treaty mandated punitive war reparations from Germany
