How was Christ's first advent to be heralded?

Answer

"The voice of him that crieth in the wilderness, Prepare ye the way of the Lord, make straight in the desert
a highway for our God." Isa. 40: 3.

How was Christ's first advent to be heralded?
For what purpose did Christ come into the world?
What do transgressors bring upon themselves?
Why did Israel fail to attain unto righteousness?
What New Testament injunction is given respecting marriage?
Did Christ, while on earth, keep the Sabbath?
From what time was Christ, the Word, associated with God, the Father?

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