1) Sacrifices offered to God required fine flour, oil, wine, and salt to recognize God's gifts and express gratitude. 2) Both Israelites and foreigners could offer sacrifices to God, as God wants all people to have salvation. 3) Sacrifices were required for sins committed unintentionally or in ignorance, such as accidentally using counterfeit money without realizing. Willful defiance of God's commands, on the other hand, was punishable by death. 4) The goal of the sacrificial system was to help God's people remember and obey his commandments to be holy.