But tribes may have to wait a while yet .

但是各部落可能还要再等一等。

Officials say the new pact ties in more tribes .

官员们说新的协定联络了更多的部落。

Did tribes voluntarily delegate authority to a powerful ruler ?

部落会自愿将权力转交给强大的统治者吗？

And they share some of their profits with other tribes .

并且他们也开始和其他部落来分享自己的利益。

The beginnings of trade make understanding necessary between members of different tribes .

贸易的开始使不同部落间的相互理解变得必需。