Which statement best describes the role the united states played in the rebuilding of japan following world war ii?

a. general macarthur directed u.s. troops to enact many reforms in japan.
b. the u.s. federal government coordinated japan's rebuilding through the u.n.
c. the u.s. federal government refused to pay for any of the rebuilding of japan.
d. general macarthur directed u.s. troops to leave japan as soon as possible.