Why was Christ declared worthy to open these seals?

Answer

"Thou art worthy to take the book, and to open the seals thereof : for Thou was slain, and has redeemed us
to God by Thy blood out of every kindred, and tongue, and people, and nation." Verse 9.

In what prophecy was the work of reconciliation foretold?
At His birth, what message did the angel bring to the shepherds abiding in the field?
How was Joseph regarded by his father?
Why was further instruction concerning this vision necessary ?
Why did God command Israel to hallow the Sabbath?
In religious things, to whom alone are we accountable?
What was the color of the symbol under the third seal?

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