Who are members of a dynasty elected or is rule inherited?

Is arrington a Scottish surname? Why did the Sumerians first develop cities? Which works contained a sculptural narrative glorifying the military achievements of a Roman Emperor? What is the significance of the Da Vinci quote "Simplicity is the ultimate sophistication"? Why were the Virginians incapable of feeding themselves? Who thought of the atomic bombs that were dropped on Japan? He said if there is no struggle there is no progress? What are the four major early civilizations? First Muslim general in Indian army? What is the name of the middle ages leader who said spare the commons kill the lords? What was true of both Anne O'Hare McCormick and Amelia? Did the battle of chancellorsville come before the battle of Federicksburg? What is the Hamitic myth? Who is Sisyphus in the novel roman mysteries gladiators from capua? What if your boss is setting you up to fail? Did the US Census Bureau use their confidential information to help inter Japanese Americans in World War 2? How did communism spread during world war 2? Which language use autodesk Maya? Does the United States still own its national parks? Which person did the president name the first black to hold a seat on the Supreme Court the highest court in the land?