2822
Their collapse left the U . S . troops less than 20 miles from Saddam Hussein ' s capital .
 U . S, Saddam Hussein ' s capital, Their, the U . S . troops, Saddam Hussein
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 U . S, Saddam Hussein ' s capital, Their, the U . S . troops, Saddam Hussein