Israel's war against Hamas has now been raging for over 100 days. According to Ian Lustick, professor emeritus at the University of Pennsylvania, history tells us what it will take to end it.

This episode was produced by Isabel Angell and Amanda Lewellyn , edited by Amina Al-Sadi, fact-checked by Laura Bullard with help from Hady Mawajdeh and Haleema Shah, engineered by David Herman, and hosted by Sean Rameswaram.

Transcript at vox.com/todayexplained

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