The world grappled Sunday with the United States inserting itself into Israel’s war by attacking Iranian nuclear sites, an operation that raised urgent questions about what remained of Tehran’s nuclear program and how its weakened military might respond.

The operation marks the most direct American military intervention inside Iran in decades and has reignited fears of a rapidly widening conflict that could draw in proxy forces, endanger U.S. troops, and disrupt global energy markets.

Israel was very close to meeting its goals in Iran of removing the threats of ballistic missiles and the nuclear programme, Prime Minister Benjamin Netanyahu said on Sunday. Speaking to Israeli reporters,