Answer:
The correct answer is 2. The country in which the United States has fought an extended war is Iraq.
Step-by-step explanation:
In Iraq, the United States has fought not one but two extended wars: the Gulf War from 1990 to 1991, and the Iraq War from 2003 to 2011.
The Gulf War, which lasted from August 2, 1990 until February 28, 1991, was a conflict waged by a coalition force authorized by the United Nations, composed of 34 countries and led by the United States, against the Republic of Iraq in response to the Iraqi invasion and annexation of the State of Kuwait. The result of this war was the victory of the coalition forces, and the withdrawal of Iraqi troops from Kuwait.
-The war in Iraq was a conflict that began on Thursday, March 20, 2003 and ended on Sunday, December 18, 2011. After the war ended, a training operation for Iraqi troops to fight the insurgency and the terrorism.