Why did God destroy the antediluvian world?

Answer

"And God saw that the wickedness of man was great in the earth. . . . And the Lord said, I will destroy man
whom I have created from the face of the earth." Gen. 6: 5-7.

What followed immediately after the gaoler and his family had accepted Christ as their Saviour?
Why did John write his testimony concerning God's love and purpose in giving Christ?
For what purpose did Christ come into the world?
What similar call and appeal will be made under the final outpouring of the Spirit?
How did this change in observance of days come about, suddenly or gradually?
What does the historian say of this legislation?
What classes are we especially enjoined to help?

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