How was the fourth kingdom represented?

Answer

"After this I saw in the night visions, and behold a fourth beast, dreadful and terrible, and strong
exceedingly; and it had great iron teeth: it devoured and brake in pieces, and stamped the residue with the
feet of it: and it was diverse from all the beasts that were before it; and it had ten horns." Verse 7.

What kind of church would He thus be able to present to Himself?
How were the two on the way to Emmaus affected by Christ's conversation with them?
In what language is this clearly stated?
Did Christ have anything to do with creation and the making of the Sabbath?
How are the birth, work, and ascension of Christ briefly described?
What is the condition of one who lacks these graces?
Is there danger of believers losing their hold on Christ?

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