pójść na wojnę

I thought they'd probably end up going to war against one another.

But now instead we are about to go to war with them.

And yet men have always gone to war over late night.

In other words, she was a woman going to war.

But they had also nearly gone to war against him.

Or do we now go to war with each other?

A man cannot go to war without having known a woman!

But why should the man say I was happy not to go to war?

But the Americans look as if they are ready to go to war.

He didn't have a good reason to go to war.