Reaching a ceasefire between Israel and Hezbollah was a hard-won diplomatic achievement, but preventing it from collapsing could ultimately be more difficult. Why it matters: The U.S. will now be tasked with maintaining calm along one of the most volatile borders in the Middle East,

Netanyahu said that how long the ceasefire lasted would depend on what happened in Lebanon. "We will enforce the agreement and respond forcefully to any violation. We will continue united until victory," he said.