Federalism

1.) Federalism is a political concept in which a  group of members are bound together by covenant (Latin: foedus, covenant) with a governing representative head.
Federalism gives the executive its power but it also gives states a great deal of power as has been clarified.

2.) Print money- printing americas dollars
    Declare war- saying going to war with   another country
    Establish an army and navy- make and army

3.)It assigns certain powers to the national government and others to the states. Its important so states cant over rule the government.

4.)Article VI, Clause 2 of the United States Constitution. It establishes the U.S. Constitution, U.S. Treaties, and Federal Statutes as "the supreme law of the land.

5.http://www.csupomona.edu/~jmvadi/201/federalism.html
This link gives you a definition of what federalism is and it gives you a lot of information about it.