It is said that, to settle pirates, Bogo JANG provided them with employment in sea transport and boat building businesses from which they could earn more and have a stable income, rather than suppressing them with military power.
張保皐は、海賊達を平定するに当たって、武力での鎮圧ではなく、奴隷貿易よりも安定して高収入が得られる海運業・造船業の仕事を与える方策を用いたといわれる。