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 basis for reconciliation was made by Christ's death?
When was the little horn to arise?
6. Until what time were the saints, times, and law of the Most High to be given into the hands of the little horn?
What was one principal object in calling this council?
How does Isaiah speak of the wicked at this time?
What will the righteous do upon rising from the grave?
How many of these beings did John see around the throne?

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