What ordinance is closely associated with believing the gospel ?

Answer

"And He said unto them, Go you into all the world, and preach the gospel to every creature. He that
believes and is baptized shall be saved; but he that believes not shall be damned." Mark 16: 15, 16.

To what parts of the ancient armour is faith compared?
Through what instrumentality is conversion wrought?
What will be the fate of those who do not obey the gospel of Christ?
What is sin declared to be?
Under the old covenant, what did the people promise?
How did Jesus answer them?
What warlike scene is given under this trumpet?

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