Answer:
The correct answer is D. The Constitution gives full sovereignty to the national government.
Step-by-step explanation:
The Federal Government of the United States of America is the central government of the United States of America. This entity is established by the United States Constitution, which provides for shared sovereignty over the United States with the governments of the United States.
The federal government presents the classic legislative, executive and judicial branches or branches of power, each of these three branches has one part of the authority to act on the branch itself, one part of authority to regulate the other two branches and has some of its authority regulated by the other two branches. The policies of the United States federal government have a great impact on domestic and foreign affairs. In addition, the powers of the federal government as a whole are limited by the Constitution, which by the 10th Amendment provides that all powers not expressly assigned to the federal government are reserved for the states or for the popular decision.
The federal government's headquarters are in the federal district of Washington D.C.