These terrible afflictions that had come on Israel not only were divine judgments on sin, but were also precise fulfillments of prophecies given some 900 years before (Leviticus 26:14-39; Deuteronomy 28:15-62). Thus the events were vindicating the divine authority of the Scriptures even while the people were denying them.

Source:

KJV Defenders Study Bible, by Dr. Henry Morris, Ph.D.
Publisher: Thomas Nelson
Language: English
DEF 10 ISBN 0-529-10444-x
DEF 10-1 ISBN 0-529-10445-8