We could make a settlement with the slaves, or we could make a settlement with the slave owners.

我们可以和奴隶和解，也可以和奴隶主和解。

By the information which they received, they judged whether it was worth while to make a settlement there, or if the country was worth the conquering.

根据他们收到的信息，他们判断是否值得在那里定居，或者这个国家是否值得征服。