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  1. This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.

    2. A.

     Bessie Blount
    B.

     Marjorie Joyner
    C.

     Mae Jamison
    D.

     Beulah Henry

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    Answer : Option A

    Explanation :

    Unfortunately Blount could never get anyone to buy her invention. Finally, in 1952 she sold the rights to the French government.

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