Answer the following question: Information: - The Alabama Army National Guard is a component of the United States Army and the United States National Guard. National coordination of various state National Guard units are maintained through the National Guard Bureau. - The Alabama State Defense Force ( ASDF ) is the state provided guard of the State of Alabama allowed by the Constitution of Alabama , The Code of Alabama and Executive Order . It has an authorized strength of 1,000 members and is organized on the United States Army structural pattern . The ASDF is under the control of the Governor of Alabama , as the state 's Commander in Chief , and comes under the authority of The Adjutant General ( TAG ) of Alabama . The ASDF is an adjunct , volunteer , augmenting force to the Alabama National Guard , and it is not federally recognized . Currently , the ASDF is inactive awaiting reorganization by the Alabama National Guard . - Alabama is a state in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama is the 30th-most extensive and the 24th-most populous of the U.S. states. At nearly , Alabama has one of the nation's longest navigable inland waterways. - The Alabama National Guard is the National Guard of the U.S State of Alabama, and consists of the Alabama Army National Guard and the Alabama Air National Guard. (The Alabama State Defense Force is the third military unit of the Alabama Military Department, part of the Government of Alabama, however not a component of the National Guard). The National Guard is charged with dual federal and state missions. The state functions range from limited actions during non-emergency situations to full scale law enforcement of martial law when local law enforcement officials can no longer maintain civil control. - Martial law is the imposition of the highest-ranking military officer as the military governor or as the head of the government, thus removing all power from the previous executive, judicial branches of government. It is usually imposed temporarily when the government or civilian authorities fail to function effectively (e.g., maintain order and security, or provide essential services). - The government of Alabama is organized under the provisions of the 1901 Constitution of Alabama, which is the lengthiest constitution of any political entity in the world. Like other states within the United States, Alabama's government is divided into executive, judicial, and legislative branches. - The Alabama Air National Guard (AL ANG) is the air force militia of the State of Alabama, United States of America. It is, along with the Alabama Army National Guard, an element of the Alabama National Guard. After reading the paragraphs above, we are interested in knowing the entity with which 'alabama state defense force' exhibits the relationship of 'instance of'. Find the answer from the choices below. Choices: - 1 - air force - army - code - commander - component - constitution - department - government - gulf - law - military - military unit - militia - nation - officer - part - ranking - security - state - tag
Answer:
military unit