Nehemiah 13:1-2

Now on that day, they read from the book of Moses in the hearing of the people. And in it, there was found written that the Ammonites and the Moabites must not enter the church of God, even for all time, because they did not meet the sons of Israel with bread and water, and they hired Balaam against them, to curse them. But our God turned the curse into a blessing.