Bulwark: General Scriptures Concerning

But you may destroy the trees that you know do not produce fruit. Use them to build siege works against the city that is waging war against you, until it falls.

And in Jerusalem he made skillfully designed devices to shoot arrows and catapult large stones from the towers and corners. So his fame spread far and wide, for he was helped tremendously until he became powerful.

There was a small city with few men. A mighty king came against it, surrounded it, and built large siege ramps against it.