How early was this sacrificial system known?

Answer

"By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained witness that he
was righteous, God testifying of his gifts." Heb. 11: 4. See Gen. 4: 3-5; 8: 20.

To how many is the Lord good?
What in the early church showed living faith?
What assurance has the believer of his union with God?
What power is there in the blood of this covenant?
22. What did Augustine, the father of this theocratical or church-and-state theory, teach concerning it?
8. After commending this church for their good works, what charge did the Lord bring against them?
What is said of the strength and character of the angels?

Questions & Answers are from the book Bible Readings for the Home Circle