What are the potential disadvantages of a presidential system

One of the biggest disadvantages of a Presidential system, especially as compared to a Parliamentary system, is the contentious relationship between the Executive branch and the Legislative branch. In a Presidential system, the Executive does not necessarily have a relationship with the legislative branch which can make governance hard as there is no relationship to build upon.

according to hess's theory, when the magma cooled, it would expand and push the tectonic plates apart. it would push the north and south america plates to the west and eurasia and africa ones to the east. the atlantic ocean would get wider but the coastlines of the masses would stay the same.

harry hammond hess was a geologist and a united states navy officer in the second world war. he is considered to be one of the founding fathers of the theory of plate tectonics. he is known for his theories on sea floor spreading, stating that the movement of the continents was the result of see floor spreading. the continents are attached to the plates and do not move separately. the plates themselves shift and change shape, carrying the continents along.

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