In what promise was a Saviour from sin first revealed?

Answer

"And the Lord God said unto the serpent, I will put enmity between thee and the woman, and between thy
seed and her seed; it shall bruise thy head, and thou shall bruise His heel." Gen. 3: 14, 15.

What specific instance is mentioned by Peter?
What treasures are hid in Christ?
Where was Daniel at this time?
How did Jesus show His loyalty to God?
What promise is made to the willing and obedient?
What shows that God imputed sin to Cain?
Who is the seed to whom this promise was made?

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