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.

Does Christ possess these same attributes?
24. In what prayer for those who crucified Him did Christ manifest the true spirit of the gospel-love for sinner?
Who moved upon the prophets to give their messages?
How does he emphasize the reliability of prophecy?
What did Jesus say of the sacramental wine?
When did Christ say the end would come?
Who is it that blinds men to the gospel of Christ?

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