NEED HELP i need a brief summary on how David Walker contributed to the abolitionist movement.

David Walker was a galvanizing force in the abolitionist movement. The abolitionist movement gained public visibility and limited support among whites after William Lloyd Garrison, a white man, began publishing The Liberator, a weekly anti-slavery newspaper, in Boston in 1831.

Explanation:

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in his book, the riddle of the rosetta stone, james giblin talks about how there was a young british polymath and physician named thomas young who made a lot of advances on the deciphering of the rosetta stone. he says that even though young made a lot of mistakes because he was working under false assumptions, he also made huge contributions like deciphering three out of the seven symbols (more than anyone else before him). young published his findings and continued his good work but he wasn't able to progress much further due to some unfavorable situations, he still laid the basis for many other scholars and of course for the man who has been generally known to have deciphered it, jean-françois champollion

i dont know the answer sorry but if i knew it i would of told you