The Sumerians were the first people to migrate to Mesopotamia, they created a great civilization. Beginning around 5,500 years ago, the Sumerians built cities along the rivers in Lower Mesopotamia, specialized, cooperated, and made many advances in technology. The wheel, plow, and writing (a system which we call cuneiform) are examples of their achievements.
1 In a Parliamentary System, the head of state is usually a different person than the head of government (not in every country). 2  The HOG is often vested with more official power, but holds that position for a relatively short time.
Definition. Parliamentary government is a democratic form of government in which the political party that wins the most seats in the legislature or parliament during the federal election forms the government.arliamentary government originated in Great Britain, and now countries all over the world use this form of democracy. For example, Australia and Germany both have a parliamentary government, but there are a few differences between them.