Read the following paragraph from the section "Black Activism And Education." In the north, several, mostly white organizations helped create new educational opportunities for black Americans. One of these organizations was the U. S. Bureau of Refugees, Freedmen, and Abandoned Lands, or the Freedmen's Bureau, a government agency that helped black
Americans after the Civil War. However, the African American public schools established after the Civil War were mostly built and staffed by the black community.
Which idea is BEST supported by this paragraph?
(A) During Reconstruction, the federal Freedmen's Bureau led efforts to integrate the country's public schools.
(B) As a result of greater educational access, black professionals began to compete with established white businesses during Reconstruction.
(C) Although Reconstruction brought new educational opportunities to black Americans, schools were still largely segregated.
(D) Without the help of the Freedmen's Bureau, many of today's historically black colleges and universities would not have been established.