For example, Americans, in most states, can drive when they are 16 years old.

例如，在大多数州，美国人在 16 岁时就可以开车。

He knew that the abolitionists were a mere handful, that emancipation might drive the border states into secession, and that the Northern soldiers had enlisted to save the union.

他知道废奴主义者只是少数，解放可能会使边境各州分裂， 而北方士兵已参军拯救联邦。