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.

What record answers to this prophecy?
Why did Adam call his wife's name Eve?
What is the essential principle of the law of God?
How did Christ's death affect the ceremonial law?
When and by whom was the Council of Nice convened?
What other event is mentioned under this seal?
Of what material is the wall constructed?

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