In a presidential government, the president can choose members of the executive, the members of government who implement laws, from the general public without the need of choosing those members from the legislature. For example, the president can choose anyone from his/her memory to be a defence minister. On the other hand, in a parliamentary government, the prime minster, the head of government, must have to choose members of the executive from parliament. Thus, members of the executive are elected members of parliament. Additionally, in a parliamentary government, the Supreme Court can overturn decisions made by congress, if they conflict with other laws or generally the constitution. Because congress is separated from
