You have a very, very changing demographic situation in the American South and its political culture has to respond to that.
你可以想象,当时的美国南方,人口流动是非常厉害的,所以当时的政治文化必须做出相应的调整
But rooted in free labor ideology is, among other ideas, this notion of mobility.
但是自由劳动意识体系起源于,在众多观点中,人口流动的概念
That made some populations mobile because they had to move from place to place to find food, but of course, it made starvation a very real possibility.
那样使得部分人口开始流动,人们不得不不断地迁徙,寻找食物,当然 自然灾害也造成了饥荒
It's going to change the very idea of mobility.
它将改变人口流动这一说法
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