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.
In a parliamentary system, the legislature is the part of government that makes laws. The legislature also gives power to the executive (the part of government that enforces laws). This is the basic form of a parliamentary republic.The difference is how the legislature gets its power.The legislature is not chosen by a ruler or by birth. The people choose the legislature in an election.he legislature also gives power to the executive (the part of government that enforces laws). This is the basic form of a parliamentary republic. The difference is how the legislature gets its power. The legislature is not chosen by a ruler or by birth.