America was then, as now, drifting apart along class lines.

But concerns about the park also cut across class lines.

This split in the white vote was based on economic class lines.

At that time there was a sharp division in education along class lines.

They wanted to set up truly popular institutions that would appeal across class lines.

That set off an angry community debate, often dividing people along class lines.

The neighborhood began to divide along racial and economic class lines.

It would have been acceptable as a first class main line.

The two systems were intended to be equal in status, but ended up being run along class lines.

"This is something new, and it cuts across class lines."