By what means are sins washed away?

Answer

Unto Him that loved us, and washed us from our sins in His own blood!' Rev. 1: 5.

What is said of God's faithfulness in keeping His promises ?
How complete should this obedience be?
With what did He say they would he baptized?
How early was this sacrificial system known?
How was the \"devotion\", of the \"faithful\" disturbed?
What were the names of these seven churches?
To whose authority are the angels subject?

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