Assertion: indian sign language | /r/HasProperty | understood among different tribes
Facets:
value: widely
type: DEGREE
Source sentences:
text: As most Native American languages lacked an indigenous alphabetic tradition, and as Plains Indian Sign Language was widely understood among different tribes, a written, graphic transcription of these signs is known to have functioned as a medium of communication between Native Americans on and off reservations during the period of American colonization, removal, and forced schooling in the late 19th and early 20th centuries.