The battles between the two would prove to be the main action of the war.

He could have done something about it too, as the battle this afternoon proved.

The battle would prove to be the largest fought in the entire war.

The battle for customers has also proved more brutal than he expected.

The battle proved to be very costly for both sides.

But the rangers' battle is proving to be a tough one.

Given the parties involved, this battle could prove to be a long and costly one, no matter what the outcome.

The battle proved to be one of the turning points of the war.

Had it not been for my presence, the battle would have proved equal.

"Then let us hope the battle proves interesting enough to keep him occupied," said Palin.