I think that the state of Texas is the same size of Afghanistan. I'm not so sure, so don't write down as an answer to a question that is important. Texas is closest in size, only about 17,000 miles larger.
Montana is the closest state in size to Germany.
Florida
Ohio
rhode island
new hampshire
The US invaded Afghanistan in an attempt to wage war on terrorism, as Afghanistan is a hub for terrorists. The US is not at war with Afghanistan, but is working with the country to fight terrorism and keep Afghanistan out of terrorist hands. The same ideology was behind the Iraqi War.
Colorado.
West Virginia
The combined size of the US states of Texas and California.
West Virginia is the US state that is roughly the same size as Taiwan. Both are around 14,000 square miles in area.
C.A.R. is approximately 622,980 km. The closest US state to that size is Texas which is 692,200 km. (The next largest US state, California, is 411,500 km.)