Assertion: sign language | /r/ObjectUse | used in american communities
Facets:
value: in southeastern maine
type: LOCATION
value: in martha’s vineyard
type: LOCATION
value: in new hampshire
type: LOCATION
value: in henniker
type: LOCATION
Source sentences:
text: The development of a standard American Sign Language began in April 1817 at Connecticut Asylum for the Education and Instruction of Deaf and Dumb Persons (now called ), influenced by Old French Sign Language as well as sign languages used in American communities in Martha’s Vineyard, Henniker, New Hampshire, and southeastern Maine, as well as the home sign used by students coming to the school.