Which feature of the U. S. government is an expression of the concept of federalism

Powers are divided between the federal government and the states. Explanation: Federalism is a political system in which political organizations (states, provinces) or groups come together to form a broader organization, such as a Central State. In the federalist system, the states that integrate it maintain autonomy.

if you are talking about current time the answer is no

if you are talking about when the colonies were developing the answer is yes