Which sentence best summarizes the plot organized by john wilkes booth?
a. it was a plot to assassinate president lincoln in order to allow vice president andrew johnson to become president.
b. it was a plot to assassinate leaders of congressional radical republicans.
c. it was a plot targeting southern democrats who did not align with the ideologies of northern unionists.
d. it was a plot targeting president lincoln, vice president johnson and secretary of state seward.

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.