1. How did Geography inhibit sub Sarahan Kigdom Expansion 2. Why did populations reamin isolated?
3. What made them open to European trade?
4. What did the Europeans want from Africa?
5. How did all of the above contribute world slave trade?
pls I really need this

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.