Chronicles II 20:10

10 And now, behold, the children of Ammon, and Moab, and mount Seir, with regard to whom thou didst not permit Israel to pass through their border, when they had come out of the land of Egypt, (for they turned away from them, and did not destroy them;)—

Chronicles II 20:10 Meaning and Commentary

2 Chronicles 20:10

And now, behold, the children of Ammon, and Moab, and Mount
Seir, whom thou wouldest not let Israel invade, when they came out of
the land of Egypt
Charging them not to meddle with them, nor take any of their lands from them, ( Deuteronomy 2:5 Deuteronomy 2:9 Deuteronomy 2:19 ) , but they turned from them, and destroyed them not;
in obedience to the divine command, when it was in their power to have done it.

Chronicles II 20:10 In-Context

8 And they dwelt in it, and built in it a sanctuary to thy name, saying,
9 If there should come upon us evils, sword, judgment, pestilence, famine, we will stand before this house, and before thee, (for thy name upon this house,) and we will cry to thee because of the affliction, and thou shalt hear, and deliver.
10 And now, behold, the children of Ammon, and Moab, and mount Seir, with regard to whom thou didst not permit Israel to pass through their border, when they had come out of the land of Egypt, (for they turned away from them, and did not destroy them;)—
11 yet now, behold, they make attempts against us, to come forth to cast us out from our inheritance which thou gavest us.
12 O Lord our God, wilt thou not judge them? for we have no strength to resist this great multitude that is come against us; and we know not what we shall do to them: but our eyes are toward thee.

The Brenton translation of the Septuagint is in the public domain.