The United States Army considers itself descended from the Continental Army, and dates its institutional inception from the origin of that armed force in 1775. As a uniformed military service, the Army is part of the Department of the Army, which is one of the three military departments of the Department of Defense.
Pure risk, also known as absolute risk, is insurable. Speculative Risk: Three possible outcomes exist in speculative risk: something good (gain), something bad (loss) or nothing (staying even). Gambling and investing in the stock market are two examples of speculative risks.
Security Market Line And Beta Basics. Unsystematic risk, also known as  specific risk , diversifiable risk or residual risk, is the type of uncertainty that comes with the company or industry you invest in. Unsystematic risk can be reduced through diversification. For example, news that is specific to a small number of stocks, such as a sudden strike by the employees of a company you have shares in, is considered to be unsystematic risk.