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.

When was Jesus born?
Why was Christ's preaching so impressive?
What did the apostles say to the idolaters at Lystra?
What example did Christ set in Sabbath observance?
How did the Israelites in the wilderness on the sixth day prepare for the Sabbath?
Did they observe it after His resurrection?
22. How did He manifest His sympathy in the case of Mary and her friends weeping over the death of Lazarus?

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