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.

In what way are both Jews and Gentiles to be justified?
What constrained God to give His Son to die for man?
To what place was Christ taken?
After the law had been proclaimed from Sinai, what did the people again say?
What day does the commandment say is the Lord's?
What will the world be doing when Christ comes?
What did John the Baptist say to the Pharisees and Sadducees who came to his baptism?

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