lìshǐkè / shàng / xué dào / Yuán Lài cháo / zài / zhèngzhìshàng / shíxíng / le / wǔshì tǒngzhì历史课上学到,源赖朝在政治上实行了武士统治。In history class, we learned that Minamoto no Yoritomo implemented samurai rule in politics.