Which sentence from the article BEST summarizes one of the article's CENTRAL ideas? A
During the American Civil War, Williams had worked as a cook and washer for the Union.
B
When the war ended, Williams disguised herself as a man in order to join the military as a soldier.
C
In January 1868, her health declined and she was admitted to hospitals five times.
D
In the 2002 book "Cathay Williams: From Slave to Female Buffalo Soldier," historian Phillip Thomas Tucker attempted to document Williams’ life.

During andrew johnson’s presidency, the radical republicans gained control over policymaking in congress. they had enough power to override any presidential veto. how did the radical republicans use this opportunity? a. they blocked johnson’s weak reconstruction policies by taking charge of the reconstruction plan. b. they extended their support to johnson’s policies for reconstruction of the south. c. they removed johnson from office and took over the task of reconstructing the south. d. they removed all former confederates from office and stopped the south from rejoining the union.