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 was one direct purpose of the incarnation of Christ?
How did Christ say those who rejected Him reasoned?
What testimony did the chief priests and Pharisees bear concerning Christ's work?
Does proper correction evidence a want of parental love?
What portion of the 2300 days (years) mentioned in the vision, was allotted to the Jews?
Who constitute the true Israel, or seed of Abraham?
Whose names are on the twelve gates of the city?

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