507:Which Product

The United States military have regularly supplied soldiers with _______ since World War I because it helped both to improve the soldiers' concentration and to relieve stress.As of 2005, the U.S. military is sponsoring development of a _______ formulation with an antibacterial agent that could replace conventional oral hygiene methods in the battlefield. This product is not expected to be available for use for some time to come.Recently, the U.S. armed forces have been providing troops with caffeinated _______ to keep soldiers alert for extended periods of time without experiencing fatigue or drowsiness. Each stick of _______ has approximately 100 mg of caffeine in it, about the same amount in an average cup of coffee. Although _______ is provided in the U.S. military MREs, it is often strongly discouraged for a troop to be seen _______ while standing in formation. _______ was introduced into New Zealand Defence Force ration packs in May 2007 by New Zealand Defence Dental Services to aid oral health care for service personnel in the field. _______ also aids in relief of stress.

Ans:Chewing Gum