Now that they could ride horses, it became easier to hunt the bison, a type of cattle which used to exist in huge numbers on the plains of America.
當(dāng)他們從一個(gè)營地搬到另一個(gè)營地去的時(shí)候,他們就可以利用這些野馬來運(yùn)載貨物。既然土著人會(huì)騎馬了,獵取野牛也就容易了。這種野牛以前是成群結(jié)隊(duì)地生活在美洲平原上的。