The United States Constitution can be changed informally. Informal amendments mean that the Constitution does not specifically list these processes as forms of amending the Constitution, but because of change in society or judicial review changed the rule of law de facto.
There are several characteristics that are common to totalitarian regimes, including: Rule by a single party. Total control of the military. Total control over means of communication (such as newspapers, propaganda, etc…)
The people are in charge of the government
