Thou shalt

2 Samuel 8:2
David also defeated the Moabites, made them lie down on the ground, and he measured them off with a cord. He measured off with two lengths those to be put to death, and with one length those to be spared. So the Moabites became subject to David and brought him tribute.

2 Samuel 12:31
David brought out the people who were there and put them to work with saws, iron picks, and axes, and he made them work at the brick kilns. He did the same to all the Ammonite cities. Then David and all his troops returned to Jerusalem.

Ezra 9:12
Now, therefore, do not give your daughters in marriage to their sons or take their daughters for your sons. Never seek their peace or prosperity, so that you may be strong and may eat the good things of the land, leaving it as an inheritance to your sons forever.'

Nehemiah 13:23-25
In those days I also saw Jews who had married women from Ashdod, Ammon, and Moab. . . .

prosperity [heb] good