TEL AVIV, Israel — The U.N. Security Council has enacted hundreds of resolutions about the Israeli-Palestinian conflict. Many have accomplished nothing.

Unlike those, the council’s vote Monday to adopt President Donald Trump’s peace plan for the Gaza Strip is tethered to a specific — if enormously ambitious — project in which the world’s leading superpower has already invested heavily.

Trump has made the plan’s success or failure a test of his prestige and powers of persuasion and persistence. The United States has deployed hundreds of troops, a small army of diplomats and a cavalcade of top officials to Israel to chart the way forward for Gaza and, further out on the horizon, for resolving the Israeli-Palestinian conflict as a whole.

The question now is whether Trump and his administra

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