'Covenant' in the Bible

And an angel of the LORD came up from Gilgal to Bochim, and said, I made you to go up out of Egypt, and have brought you unto the land which I sware unto your fathers; and I said, I will never break my covenant with you.

You are not to make a covenant with the people who are living in this land, and you are to tear down their altars. But you have not obeyed Me. What is this you have done?

And the anger of the LORD was hot against Israel; and he said, Because that this people hath transgressed my covenant which I commanded their fathers, and have not hearkened unto my voice;

And the children of Israel inquired of the LORD, (for the ark of the covenant of God was there in those days,