What is said of the fourth kingdom?

Answer

"And the fourth kingdom shall be strong as iron: forasmuch as iron breaks in pieces and subdues all things:
and as iron that breaks all these, shall it break in pieces and bruise." Verse 40.

How were the two on the way to Emmaus affected by Christ's conversation with them?
What reason did Solomon give for urging all to fear God and keep His commandments?
How long will the saints engage in this work of judgment?
What is the strength of sin?
What was to take place under the third trumpet?
When did David say he would be satisfied?
Did angels exist before the death of any of the human family?

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