They envision a frontier society, providing opportunities for innovation and social experimentation.

They were inheritors of a frontier society, where guns and vigilante justice prevailed.

Insanity was rare on the Moon, as in all frontier societies.

The civilization is advanced, but appears to have taken on some aspects of a frontier society.

I don't think any of us want a frontier society here in Boulder.

These include the Bible, the law (which countenances slavery, among other things) and the code of survival in frontier society.

The first is the general tendency of frontier societies to have extreme class structures.

At the same time, many frontier societies were prejudiced against such mixed-race people.

If anything, history was even less use than serious music, to a frontier society.

A loose frontier society became a tight warfare state with a solitary purpose: the construction and manning of Climbers.