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.

What explains God's apparent delay in dealing with Sin ?
How was the flood stayed, and Satan's -design defeated?
How did Christ Himself say He would come?
Concerning what did Christ tell us not to marvel?
What positive declaration does the apostle then make?
How had Moses spoken of another and greater dispersion?
In narrating the work of creation, what statement is made concerning its completion?

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