It is inevitable that alien races encounter one another and fight each other.

Your two races have fought wars over water for as long as any of you can remember.

Why did our races fight each other, generations ago?

Eventually, however, the human race rose up and fought back against the Old Ones, banishing them to other dimensions.

Now we must fight for our homes, and my race will fight mightily.

Is it not natural that our race will not fight among themselves?

"At last this long battle our race has fought with the Tefflan race will be ended-through your aid!"

And when it's cornered, the human race always does fight, with everything it's got.

All races fought, if not side by side, then army beside army.

And there they were caught up in a battle of intrigue where strange races fought for control of the Universe!