What type of government is Sudan ruled by?
You omitted to mention one more option and form of government.Sudan doesn’t have any of the three types of government you have cited.It has a form of government called “Tyranny”which is defined as a government or rule of a tyrant or absolute ruler.Sudan has an oppressive and unjustly severe government administered by an arbitrary despot who exercises unrestrained power and abuses authority with undue harshness.