Decentralization of political authority in the united states is chiefly promoted by

Federalism.

Explanation:

Federalism is a system of political organization that is known for the political decentralization it provides because it unites separate states with a federal government. To work the federalist system gives certain powers to the states and certain powers to the federal government, in a way that they don’t override one another. In a few subjects, the states have certain liberty from the federal government at the same time the federal government has authority over other areas.

this headline suggests that midterm congressional   elections are at the corner and trump administration wants to activate his base by vowing to clamp down on immigrants and immigration as trump had said during his election campaign around two years ago. when a baby is born in usa, the baby becomes citizen of usa for 85 years and trump wants to end this rule of birthright citizenship to control illegal immigration and this what he said in an interview""we’re the only country in the world where a person comes in and has a baby, and the baby is essentially a citizen of the united states for 85 years, with all of those benefits,” "

its tr3way you already know