has to deal, by the 1820s now,

到了十九世纪二十年代都得面对
with the new generations being born

新一代的年轻人
who did not experience the Revolution,

他们没有经历过美国革命
and they are inheriting now

这些孩子现在正在继承
this great experience of their parents, the American Revolution.

他们父母从美国革命中得到的重要经验
But that revolution had at least a twofold legacy.

但这场革命至少留下了一把双刃剑
On the one hand, it was an event

一方面这是一个
that really ushered those great Enlightenment ideas into the world

真正给世界带来伟大的启蒙理念的事件
that an anti-slavery impulse in America is going to draw upon, constantly.

这些理念常常借鉴美国反奴隶制的精神
Black and white abolitionists, they’re all going to do it.

黑人和白人废奴主义者都会依靠这些理念
Those great Enlightenment ideas--

那些伟大的启蒙理念--
hostility to monarchy, the growth of Republicanism,

包括对君主制的反抗共和主义的发展