What will constitute the second plague?

Answer

"And the second angel poured out his vial upon the sea; and it became as the blood of a dead man: and
every living soul died in the sea." Verse 3.

Upon what basis is justification granted?
How did persecution affect the preaching of the gospel?
At the conclusion of Daniel's prayer, what assurance did Gabriel give him?
Was the judgment still future in Paul's day?
What system was established on account of man's transgression of the law of God?
Why were the ancient Sunday laws demanded?
But when, according to the prophecy, was Elijah to be sent?

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