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This "Cycle" is a representation of how Israel follows in the book of Judges: Israel serves the Lord, Israel falls into sin & idolatry, Israel is enslaved, Israel cries out to the Lord, God raises up a judge, Israel is delivered, (back to the beginning).
What is the Cycle of Sin (in Judges). Cycle of Judges also accepted.
Reference: Joshua 2:10
"After that whole generation had been gathered to their ancestors, another generation grew up who knew neither the LORD nor what he had done for Israel."