Sentence Correction (SC) | Re: During Roosevelt s years in office Black Americans began

During Roosevelt’s years in office Black Americans began voting for Democrats rather than Republicans in national elections, but Black support for Democrats at the state and local levelsdeveloped only after when civil rights legislation was supported by Harry Truman.

(A) developed only after when civil rights legislation was supported by Harry Truman
(B) developed only after when Harry Truman supported civil rights legislation
(C) developed only after Harry Truman’s support of civil rights