▁in ▁A ce h ▁and ▁became ▁the ▁first ▁Muslim ▁pre acher ▁in ▁West ▁Sum atra . ▁ ▁History ▁The ▁sil at ▁tradition ▁is ▁mostly ▁or al , ▁having ▁been ▁passed ▁down ▁almost ▁entirely ▁by ▁word ▁of ▁mouth . ▁In ▁the ▁absence ▁of ▁written ▁records , ▁much ▁of ▁its ▁history ▁is ▁known ▁only ▁through ▁myth ▁and ▁arch ae ological ▁evidence . ▁The ▁earliest ▁weapons ▁found ▁in ▁the ▁N us ant ara ▁were ▁sh ar pen ed ▁stone ▁tools ▁such ▁as ▁axes . ▁In flu ence ▁from ▁La os , ▁Vietnam , ▁India , ▁China ▁and ▁My an mar ▁arrived ▁during ▁the ▁Ne ol ith ic ▁period . ▁Wh ole ▁communities ▁from ▁China ▁were ▁transferred ▁to ▁S out heast ▁Asia , ▁bringing ▁their ▁weapons ▁and ▁weapon - making ▁technology ▁with ▁them . ▁It ▁is ▁probable ▁that ▁these ▁communities ▁already ▁exerc ised ▁some ▁form ▁of ▁system at isation ▁over ▁the ▁use ▁of ▁these ▁weapons ▁when ▁they ▁arrived ▁in ▁the ▁ 2 nd ▁and ▁third ▁century ▁BC . ▁Similar ities ▁have ▁been ▁observed ▁between ▁S out heast ▁Asian ▁sea - nom ads ▁and ▁sout he astern ▁Chinese ▁boat - d well ers ▁such ▁as ▁the ▁B ai y ue ▁and ▁T anka ▁people . ▁Ex amples ▁include ▁the ▁long - bo at ▁culture , ▁war ▁fle ets , ▁t atto os , ▁familiar ity ▁with ▁plant ▁po isons , ▁and ▁bl aded ▁weapon ry . ▁The ▁B ai y ue ▁adopted ▁the ▁use ▁of ▁bronze ▁from ▁northern ▁China ▁and ▁in ▁turn ▁introduced ▁it ▁to ▁Ton kin ▁and