Deuteronomy 20:14

20:14 However, the women, little children, cattle, and anything else in the city – all its plunder – you may take for yourselves as spoil. You may take from your enemies the plunder that the Lord your God has given you.

Joshua 8:2

8:2 Do to Ai and its king what you did to Jericho and its king, except you may plunder its goods and cattle. Set an ambush behind the city!”