Republican lawmakers cheered the strikes against Iran despite the president's campaign promises to keep the U.S. out of military entanglements abroad.

Republicans in Congress praised President Trump’s decision to hit Iran. Many Democrats and some G.O.P. lawmakers said he should have consulted Congress.

Many politicians raised constitutional concerns about Trump’s acting without approval by Congress. But some GOP leaders offered support for his move.

Democrats stress that only US Congress – not the president – has the authority to take the country to war.

Republican lawmakers cheered the strikes against Iran despite the president's campaign promises to keep the U.S. out of military entanglements abroad.

Members of Senate and House argue that US intelligence has not shown an imminent threat from Iran that justifies Trump’s unilateral action.

Some lawmakers have called Trump's strikes on Iran "unconstitutional" - so did he have the authority to order them?