Final answer:
The National Association of the Deaf was founded in the year 1880 and is a key organization for deaf rights and education in the U.S. option (b)
Step-by-step explanation:
The National Association of the Deaf (NAD) was founded in the year 1880. The NAD is a pivotal organization that champions the rights of deaf and hard of hearing individuals in the United States. It was established to advocate for the civil rights of deaf individuals, provide them with education opportunities, and ensure their access to services and resources. The association's establishment is seen as a critical milestone in the history of education and advocacy for the deaf community, similar to the impactful work of Dr. Gallaudet, who is known for founding the school for the deaf in Washington D.C., and highlighted in the referenced sculpture alongside his student Alice Cogswell.