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 presidential system, the legislature and the executive do not have to be aligned and often work against each other. 2  Policy implementation can be much slower and more moderated, at least in the US system.
Split and merge into it. Answer by Job Thompson. Confidence votes 24. A presidential parliamentary democracy is a democracy in which the chief executive (usually termed the Prime minister or the Premier is selected from among the members of the Parliament (the legislature).rance uses a hybrid system, known as the Semi-Presidential system. The people elect a President to be in charge of the country. The President then names a Prime Minister, w â¦ ho will normally be someone from the National Assembly. The President and Prime Minister have shared powers.