Federalism can be defined as a system of power sharing arrangement between the national and state governments in which some powers are approved for the national government alone, some powers are reserved to the states. Others are held concurrently, and other powers are prohibited to either or both levels of government.
The fore fathers of the American industry developed this way of governing the country due to several reasons of which they identified as important strategies that would balance order while offering substantial liberty to the people. One of the key reasons for their choice in this type of government was the need to allow more participation of the people in the politics in all the represented states.
One other purpose for the founders to opt in this direction was to aid in avoidance of the domination of the poor by the rich people in the society to enable positive growth of everyone in the society. The advantages of preventing such operations were aimed at revolutionizing the country via the provision of flexible taxation laws that was fair to all income earning levels. This has increased job opportunities between the different states due to the increased research and innovation conducted via laboratories in the various states. The improvement in healthcare plans via allocation of grants to state to aid in resource sharing and availability of the money and funding to all the states. This is the responsibility of the national government.
The disadvantages of federalism that are posed to the states are the individual loss of identity under the title of the United States. This has subsequently posed some threat on the central federal government which has been a resultant of the occasional rebellion against federal authority by particular states. This of course is counter-balanced with a powerful federal military
Losco, J., & Baker, R. (2012). Am gov 2012. New York: McGraw-Hill Higher Education.