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.

What is sin declared to be?
How are His mercies continually manifested?
With what, therefore, is the faith of Jesus joined?
What testimony did Nicodemus bear concerning Him?
Who is Lord of the Sabbath?
21. What did this council, in its twenty-ninth canon, decree concerning the Sabbath and Christians who continued to observe it ?
18. Answering the question as to what would be the sign of His coming and the end of the world, what did Christ say?

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