The cease-fire deal is set to stop fighting for 60 days between Israel and Hezbollah. Regional neighbors hope it will lead to a wider de-escalation.

Slavin said Hezbollah’s enduring power made a ceasefire in Lebanon an attractive prospect for Israel. What remains of Hamas’ organized forces is unclear, but it was apparent this week that Hezbollah remains intact, if diminished — and that it is still capable of firing missiles at Israel.