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 example of obedience has Christ set for us?
Under the theocracy, how were the rebellious or willful transgressors treated ?
12. Because of Christ's healing a woman of an infirmity on the Sabbath, what did the ruler of a certain synagogue say?
What was the object of the church bishops in securing these Sunday laws?
How was the \"devotion\", of the \"faithful\" disturbed?
What protection has God promised His people during the seven last plagues?
What warning has been given us through the Apostle Peter?

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