What does this mean for American civilization as we know it?

I had no idea that American civilization was so fragile.

The first area provides a guests a feel of the unique culture found in central and southern American civilizations.

Once this was the edge of American civilization, a portal to the unknown.

The real subject of the film is the lazy end of American civilization.

He says he wants to do nothing less than to save American civilization with a renewal of family values.

He pledged to take us back to the morality of the 1950s, in order to "renew American civilization."

In 1942, he retired to emeritus status, continuing to teach only American civilization and the history of education.

They're probably young people who are stifled by American civilisation and for whom black music is an escape.

He also served on the graduate committee for degrees in the study of American Civilization.