Final answer:
The outcome of the attack on Baghdad has been different in different periods. In 1258, the Mongols destroyed the city and killed many of its inhabitants. In recent history, after the U.S. invasion in 2003, Baghdad faced occupation and sectarian conflicts.
Step-by-step explanation:
The outcome of the attack on Baghdad has varied throughout history. In 1258, the Mongols invaded and destroyed the city, resulting in the death of a large proportion of the inhabitants and the destruction of cultural institutions. In more recent history, after the U.S. invasion of Iraq in 2003, Baghdad faced a period of occupation and sectarian conflicts. The initial hope for stability and democracy was overshadowed by the growing insurgency and the escalating costs of the war.