For what purpose is the mystery of the gospel made manifest?

Answer

But now [the mystery] is made manifest, and by the Scriptures of the prophets, according to the
commandment of the everlasting God, made known to all nations for the obedience of faith." Rom. 16: 26.

Why did God raise Christ from the dead?
What was the result of Christ's working miracles at His first passover?
What was to he accomplished at the close of the seventy weeks?
How may one know that this does not refer to the earthly sanctuary ?
When had God said this?
What determines whether one is a child of Abraham?
To what Old Testament promise did Peter evidently refer?

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