Thematic Bible: Allowed to oppress israel

And the children of Israel committed wickedness in the sight of the LORD. And the LORD delivered them into the hands of the Midianites seven years. And when the hand of the Midianites was sore upon Israel, the children of Israel made them dens in the mountains and caves and strongholds. For when Israel had sown then came the Midianites, the Amalekites, and they of the east country upon them and pitched their tents against them, read more.
and destroyed the increase of the earth even unto Gaza, and left no sustenance in Israel; neither sheep, ox or ass, for they came with their cattle and households even as grasshoppers in multitude: so that both they and also their camels were without number. And they entered the land to destroy it. And so was Israel exceedingly impoverished by the Midianites and cried unto the LORD.