Final answer:
The U.S. withdrew from Iraq after the victories at Fallujah and Ramadi through a phased process, which involved handing over control to Iraqi Security Forces and setting a timeline for the withdrawal of U.S. troops.
Step-by-step explanation:
After the victories at Fallujah and Ramadi, the U.S. withdrew from Iraq through a phased process. Here are the steps:
Coalition forces handed over control of certain areas in Iraq to the newly trained Iraqi Security Forces, who took responsibility for maintaining security in those regions.
In late 2008, the U.S. and Iraqi governments approved a Status of Forces Agreement, which set a timeline for the withdrawal of U.S. troops. This agreement aimed to ensure cooperation between the two countries in various areas.
In February 2009, President Barack Obama announced an 18-month withdrawal window for combat forces. Approximately 50,000 troops remained in Iraq to advise, train Iraqi security forces, and provide intelligence and surveillance.
In October 2011, President Obama announced that all U.S. troops and trainers would leave Iraq by the end of the year. The last U.S. troops left Iraqi territory on December 18, 2011.