'Agreement' in the Bible

Now the angel of the Lord came up from Gilgal to Bochim. And he said, *** I took you out of Egypt, guiding you into the land which I gave by an oath to your fathers; and I said, My agreement with you will never be broken by me:

And you are to make no agreement with the people of this land; you are to see that their altars are broken down: but you have not given ear to my voice: what have you done?

And the wrath of the Lord was burning against Israel, and he said, Because this nation has not been true to my agreement which I made with their fathers, and has not given ear to my voice;

And the children of Israel made request to the Lord, (for the ark of the agreement of the Lord was there in those days,