When did Sin and death enter the world?

Answer

"Wherefore, as by one man [Adam] sin entered into the world, and death by sin; and so death passed upon
all men, for that all have sinned." Verse 12.

What is God called in the Scriptures?
Of whom did Christ say the Scriptures testify?
How did Christ make it clear to them that the Scriptures testify of Him?
What divine purpose was wrought out in the sufferings of Christ?
What was the Lord's covenant which they were to keep as their part of this covenant?
What is one of the offices of the moral law?
In perfecting character, what must come to all?

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