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.
 


On what basis is there no possibility of justification for the sinner?
With what did He say they would he baptized?
Why did Adam call his wife's name Eve?
Whose sovereignty is thus challenged?
What was Christ's reply?
What is Neander's conclusion regarding this theory?
Why was the gospel to be preached to the Gentiles?

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