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.
Overall, presidential form of government is better than parliamentary form of government. Being more democratic compared to parliamentary form of government, presidential government is better and favorable for the people as they can participate directly in choosing their leader.he majority party is elected by the people of the country as representatives to what they want thus giving the people a direct voice in their government. The parliamentary is then led by the party leader of the majority. Sure he can do anything he wants but he does have the vote of confidence to think of.