<em>Baruch S. Blumberg invented </em><span><em>a vaccine for smallpox for which he won noble prize in 1976.</em></span>
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One major source of disagreement between Booker T. Washington and W.E.B Dubois was whether or not to use force as a means of racial integration. Washington believed that people of African race should learn to fit in with the whites (by exceding in work), whereas Dubois believed that riots and sit-ins were necessary to diminish racial inequality.
Explanation:
Have a great day, and spread some positivity!
The Danube and Rhine rivers.
Answer:
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Explanation: