What did Paul say the fall of Israel created for the Gentiles?

Les explains that Paul alludes to this when he says the fall of Israel created the spiritual riches of the Gentile world. Before Christianity, the Gentiles' forefathers were steeped in idolatry, paganism, superstition, and fear, lacking the freedom believers have. Les points out that Christianity was the greatest feminist movement, setting women free and bringing them to respect and an even keel with mankind. He also illustrates spiritual riches with poor believers in Haiti who had joy unspeakable despite poverty, and concludes these are the riches Paul talks about—Christianity setting people free.