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.

How is such a baptism described?
After bringing Him to the place of crucifixion, what drink was offered Christ to stupefy Him?
What comment has the Apostle Paul made upon this commandment?
In what other statement is this same truth expressed?
14. What did He say of those who should break one of God's commandments, or should teach men to do so?
Until what time were the saints to he persecuted under the Roman power?
At this time what event is imminent?

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