Following are a number of back-translations as well as a sample translation for translators of Joshua 11:20:

• Kupsabiny: “because God hardened the heads of those people. He did like that so that they would fight against the people of Israel, and/but after that, the people of Israel destroyed them completely without mercy as God had told Moses.” (Source: Kupsabiny Back Translation)
• Newari: “Because the LORD hardened their hearts and allowed them to fight the Israelites, so they were completely destroyed without mercy, as the LORD had commanded Moses.” (Source: Newari Back Translation)
• Hiligaynon: “For the LORD had-hardened their heart so-that they would-fight against the Israelinhon, and so that they will-be- totally -destroyed and be-killed without mercy, according to what the LORD commanded Moises.” (Source: Hiligaynon Back Translation)
• English: “Yahweh caused the people in all those other groups to be stubborn , with the result that they fought against the Israeli army, and the Israelis killed them all. They were not merciful to any of them. That is what Yahweh had commanded Moses to do.” (Source: Translation for Translators)