C or B I would go with B but if not then it's C
B. Pioneering research on radioactivity. She discovered Polonium and Radium, and won the 1903 Nobel Prize.
At the age of 12 (twelve) Harriet Ross was seriously injured by a blow to the head, inflicted by a white overseer for refusing to assist in tying up a man who had attempted escape. 1844 Marriage. In 1844 at the age of 25, she married John Tubman, a free Africa American who did not share her dream.
Hope this helps!
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~A.W~ZoomZoom44
When federal courts exercise hypothetical jurisdiction, they bypass tough questions of subject-matter jurisdiction to dismiss cases on easy merits grounds.