'Permitted' in the Bible

But Laban only said, “It is not the tradition here to give the younger [daughter in marriage] before the older.

But they said, “Should he [be permitted to] treat our sister as a prostitute?”

Then the sons of Israel did so; and Joseph gave them wagons according to the command of Pharaoh, and gave them provisions for the journey.

And he said to them, “Pursue them, for the Lord has handed over your enemies the Moabites to you.” So they went down after him and seized the fords of the Jordan opposite Moab and did not allow anyone to cross.