It is likely that their knowledge of iron and copper forgery, by which they made weapons and fine ornaments, gave them a military and economic advantage over their neighbors.
これは彼らの鉄や銅の製造の知識によるもので、これを用いて武器や優れた装飾を作る事で、周辺住民に対して軍事的・経済的優位に立ったと考えられる。