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.

Upon what evidence did Jesus base His Messiahship?
How may we determine the truthfulness of any doctrine ?
How did He show that He loved them?
What was Messiah to do during the seventieth week?
How did Christ Himself say He would come?
When did David say he would be satisfied?
How were their prayers answered?

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