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.

What is necessary in order that the preaching of the gospel may be profitable?
In what other prophecies is this same period mentioned?
What did Christ tell the rich young man to do?
What does Christ proclaim Himself to be?
What was to occur under the fourth trumpet?
How was Peter delivered later?
What did Christ say would be the experience of His people in this world?

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