How did the Dred Scott case impact the Anti-Slavery Movement in the United States?

Which item best completes the chart?

What was one major difference between benito mussolini and adolph hitler? o a. hitler was more willing to use violence to secure power than mussolini. o b. hitler made racism central to his political ideology earlier than mussolini. o c. hitler was more supportive of communism and socialism than mussolini. o d. hitler followed the philosophy of militarism more strictly than mussolini.

Who did the first work in creating vaccines