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.

Through whom are we reconciled to God?
While at the high priest's house, how did Peter deny Him?
Why did God confide in Abraham, and commit sacred trusts to him?
To what did the ordinances pertain that were thus abolished?
What power mentioned in the thirteenth chapter of Revelation is to enforce this mark?
What was to follow the great earthquake?
How did Job treat the poor?

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