What would make the death of Christ in vain?

Answer

"If righteousness come by the law, then Christ is dead in vain." Gal. 2: 21.

From what time has the devil been a murderer?
Why did God confide in Abraham, and commit sacred trusts to him?
What comment has the Apostle Paul made upon this commandment?
After she became queen of Persia, how did Esther show her integrity to God?
Can there be sin where there is no law?
Did this doctrine exist in ancient times?
When asked if He was a king, what did Christ say?

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