Answer:
Federalism is a type of government where a national government has power but there is also state or provincial governments which share power. The US government is an example of a federalist government. The national government is dictated by the Constitution and any powers not given to the national government are then given to the states.
If you are reading an article about the goals of the National Archives to reduce its energy use, you would want to see that "<span>b. This article was published on the official website of the National Archives in 2013" since this is both a reputable source and is up to date. </span>
