Retaliation for killed soldiers – US attacks anger key allies in Iraq. Iraqi Prime Minister Mohammed Shia al-Sudani is under increasing pressure to confront the United States.

Many see it as the latest U.S. attack on Iraq's independence, a threat to fragile stability and a willful disregard for a complex reality. Many of the country's mainly Shiite militias are backed by rival Iran, but are also deeply connected to Iraqi society, Politics and government intertwined. For Joe Biden's administration, the Iraqi response shows how difficult it is to maintain a security partnership with Baghdad.