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.

What blessed experience follows upon the acceptance of Christ as our righteousness?
What was the special message for Noah's day?
What admonition is therefore given?
To what did the ordinances pertain that were thus abolished?
How are the character, work, period of supremacy, and great power of the beast described?
3. Through what experience was the church to pass, and what was to develop in the church, before Christ's second coming?
Through whom is this first dominion to be restored?

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