For 10 points, identify these ways of communicating used by deaf communities, an example being ASL.
In the 1970's one of these constructs naturally arose after a vocational center was opened at San Judas, where children naturally made one. In addition to that Nicaraguan one, an extinct one of these systems that was most likely derived from Old Kentish was used extensively in Martha's Vineyard up until the mid-20th century. The type of this system most frequently used in the U.S. facilitates communication faster than the manually coded Rochester's method. This type of system was championed instructionally by Thomas Gallaudet, who built a university in support of its use. For 10 points, identify these ways of communicating used by deaf communities, an example being ASL.
In the 1970's one of these constructs naturally arose after a vocational center was opened at San Judas, where children naturally made one.
sign languages [prompt on just languages, but seriously, give them a good glare]