Protesters chant slogans during a protest over the death of a woman who was detained by the morality police, in downtown Tehran, Iran, on Sept. 21, 2022. (Associated Press)

The protests were triggered by the death of 22-year-old Mahsa Amini, who died in a hospital three days after being apprehended by the morality police in Tehran and taken to a “re-education center” for not abiding by the state’s hijab rules.

Mourners holding posters of Iranian Gen. Qassem Soleimani attend a funeral ceremony for him and his comrades, who were killed in Iraq in a U.S. drone strike on Friday, at the Enqelab-e-Eslami (Islamic Revolution) Square in Tehran, Iran, Monday, Jan. 6, 2020. (AP Photo / Ebrahim Noroozi)

President Donald Trump’s decision to assassinate Iran’s top military leader because of an alleged “imminent threat” to U.S. interests is already having major repercussions across the region. What’s next in the U.S.-Iran showdown?