Violence is the expression of physical force against one or more people, compelling action against one's will on pain of being hurt.Worldwide, violence is used as a tool of manipulation and also is an area of concern for law and culture which take attempts to suppress and stop it. The word violence covers a broad spectrum. It can vary from between a physical altercation between two beings to war and genocide where millions may die as a result. The Global Peace Index, updated in June 2010, ranks 149 countries according to the "absence of violence".