Usar "countervail" en una oración

1. I had held my tongue, although the enemy could not countervail the king's damage

2. They are enabled to take freight on so much lower terms than American vessels can afford to do it in consequence of the very great difference of duties in Great Britain, between importations in America or in a British ship, that we cannot compete with them unless you will countervail them, and take a decisive stand in defence of your commerce to continental Europe, and carry your produce direct to the consumers, and be no longer subjected to be fleeced by the monopolizers and retailers of the old world