Analysis of information sources in references of the Wikipedia article "Triangle (Israel)" in English language version.
The "Little Triangle" forms the narrow Israeli-held strip of the larger district circumscribed by the three West Bank cities of Nablus, Tulkarm, and Jenin. During the Arab Revolt from 1936 to 1939 this district was the center of rebel activity and became known by the British as the "Triangle of Terror"
... the villages of Wadi Ara (the area called the northern Triangle)...
