class struggle
class war
class warfare

Also, because they're the front line of what we came to call the class war.

If you are in the government, the answer is clearly class war.

This is a class war from above, which we at least do not want to be part of.

Yes, there is a class war under way, you once said.

You have made this into a class war where one does not exist.

We the people have only the next election to look forward to for hope or an open class war leading to a final revolution.

There is an element of class war in the current fighting here.

We know now that neither revolution nor class war took place.

If education fails to take the correct social action, that may become the new class war.

He has also written about class war, sustainability, direct action and the environment.