Some of the critical roles performed by the government include making laws, regulating economies, conducting cordial relationships with neighboring countries, provision of services and developing infrastructure, as well as the maintenance of the armed forces, and the police force on behalf of the citizens of the country (Bardes, Shelly and Schmidt, 2008).
A presidential system of government refers to a governance system whereby the president leads the executive arm of the government, and as such, serves as the Head of States and Head of Government. A government usually has three arms, the Executive branch composed of the president and his or her cabinet, the Legislature composed of the members of parliament or congress, and the Judiciary, which is the legal branch of every government. All these branches of government are independent of function from one another but co-ordinate their operations in order to facilitate the smooth running of government. On the other hand, a parliamentary system of government is a governance structure whereby the cabinet has all the executive powers and rallies a Prime Minister as the leader. However, all the members of the cabinet are answerable to the legislature either as individuals or in a group for their actions or decisions.
The extent to which different systems of governance separate their functionality of powers across its three branches determines the nature of each government system. According to Birch (2013), a presidential system divides both administrative and political powers among its three branches, the executive, the judiciary, and the legislature. As such, officials in these branches have to serve their terms of office constitutionally. A parliamentary system of government, on the other hand, vests the executive and sovereign authority on the Prime Minister and the cabinet as endorsed by the