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.

To whom did this promised seed refer?
In thus reconciling the world unto Himself, what attitude did God take toward men?
How should the youth he taught to regard the aged?
By what means did the Jews know God's will?
What has He commanded men to observe in memory of this great work?
Of what was this memorial to he a sign?
What question did the disciples ask Christ concerning His second coming?

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