<span>A. Kodak DCS 100
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The Kodak Professional Digital Camera System or DCS, later unofficially named DCS 100, was the first commercially available digital single-lens reflex (DSLR) camera.
Explanation:
Frederick Douglass was an escaped slave who became a prominent activist, author and public speaker. He became a leader in the abolitionist movement, which sought to end the practice of slavery, before and during the Civil War. ... His work served as an inspiration to the civil rights movement of the 1960s and beyond.
He did not have any siblings.
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They are all fighting for personal rights.
