What imperial law was issued in AD. 386?

Answer

"By a law of the year 386, those older changes effected by Constantine were more rigorously enforced;
and, in general, civil transactions of every kind on Sunday were strictly forbidden. " - Neander's "Church
History,- Vol. II, page 300.

By whom were the men directed who thus spoke for God?
How did Noah show his faith in this message?
What was the difference between Cain's and Abel's characters?
How did God reprove their disobedience?
Against whom do the wicked go to make war, and what is the outcome?
Do the dead know anything?
What will His true followers do?

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