By what authority was Sunday Sabbath-keeping instituted?

Answer

By the authority of the Catholic Church. See page 131.

In what condition are all before they are quickened with Christ?
Who are called to repentance?
What specific statement emphasizes this identification?
12. What universal boycott is to be employed, in an attempt to compel all to receive the mark of the beast?
18. In what statement was Christ promised as a Savior and Deliverer of the race as soon as sin entered?
What is to be finished when the seventh trumpet is about to sound?
7. With what is witchcraft classed by Paul, and what does he say to those who are guilty of such things?

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