A dialect of this language that incorporates features from the Adamorobe and Francophone communities spread after the missionary Andrew Foster championed this language in Nigeria and Ghana. Carolyn McCaskill found that greater syntactic repetition occurs in this language’s BSV dialect. This language’s morphemes are constrained by the symmetry and dominance conditions. Studies on this language’s high degree of iconicity, such as by Nancy Frishberg, challenged the idea that language must be arbitrary. CODAs (“KOH-das”) who speak American English are often bilingual in this language. In this language used at Gallaudet (“gal-uh-DET”) University, movement and handshape contribute to meaning. For 10 points, name this language developed among Deaf communities in the US. ■END■
ANSWER: American Sign Language [or ASL; accept Nigerian Sign Language or Ghanaian Sign Language or NSL or GSL; accept Francophone African Sign Language or Langue des signes d’Afrique francophone or LASF; accept Black American Sign Language or BASL or Black Sign Variation; accept BSV until read; prompt on sign language]
<Social Science>
= Average correct buzz position