Once sin entered the world it didn't take long for it to truly take root in mankind. As man sought to be a law unto themselves they would spiral deeper into their own depravity. What greater crime and heartache could come from one brother killing his own brother out of rage and jealousy. Yet God's plan for redemption would not be thwarted. Though the war between the line of Cain and the line of Seth would continue, ultimately Jesus, a better Abel, a better Adam, a better man would bring redemption for us all.