In the Old Testament, what do animal sacrifices signify?

Description: In the Old Testament, what do animal sacrifices signify? What is it a reflection of? Where did the sacrificing of animals begin? Where was the first atonement done? Watch

Will all people know the coming of our Lord Jesus Christ?

Description: Will all people know when Christ has come to the world again? What will happen to the saints who are still alive during the first resurrection? Will the deceased saints be part of this resurrection as well? Watch