Answer:
D. by teaching Thomas H. Gallaudet French Sign Language
Explanation:
Known as "The Apostle of the Deaf in America" Laurent Clerc, a French teacher was the most recognized deaf person in American Deaf History. While sailing to the U.S. Clerc and Gallaudet taught each other their native languages, their goal being to teach deaf Americans this manual communication method.
Hope this helps!!
If I am wrong, please tell me, I enjoy learning from my mistakes:)
