Thematic Bible: The covenants of God confirmed by

He (God) said to him: Bring me a heifer three years old, a female goat three years old, a ram three years old, a turtledove, and a young pigeon. Abram brought him all these and cut them in two, laying each half over against the other. He did not cut the birds in two. When birds of prey came down on the carcasses, Abram drove them away. read more.
As the sun was going down, a deep sleep fell upon Abram, and a deep and terrifying darkness descended upon him. Jehovah said to Abram: Know this for sure; your offspring will be strangers (aliens) in a land that is not theirs. They will be slaves there, and they shall be oppressed for four hundred years. I will bring judgment on the nation that they serve! Afterward they will come out with great possessions. As for yourself, you shall go to your ancestors in peace. You shall be buried at a good old age. They shall come back here in the fourth generation. The iniquity of the Amorites is not yet complete. The sun went down and it was dark. A smoking fire pot and a flaming torch passed between these pieces.

Moses sent young men to burn sacrifices to Jehovah. They sacrificed some cattle as peace offerings. Moses took half of the blood of the animals and put it in bowls. The other half he threw against the altar. He took the book of the covenant, in which Jehovah's commandments were written, and read it aloud to the people. They said: We will obey Jehovah. We will do everything that he has commanded. read more.
Moses took the blood from the bowls and sprinkled it on the people. Next, he told them: With this blood Jehovah makes his agreement with you.

When Moses had spoken every precept to all the people according to the Law, he took the blood of calves and of goats, with water, and scarlet wool, and hyssop, and sprinkled both the book, and all the people, He said: This is the blood of the covenant that God has presented to you.