While recalling that in 2004, a triparite was signed between the Central Government, Meghalaya Government and ANVC, he said that peace ensured for some years in Garo Hills region. Sangma said that militancy in Garo Hills was spearheaded by the GNLA in 2009 as well as the mushrooming of the number of groups such as ASAK, AMEF, LAEF, UALA, UANF, UGSF among others.