I’d say provide for the general defense because one state can not protect the whole country
Answer:
it restored the United States as a unified nation: by 1877, all of the former Confederate states had drafted new constitutions, acknowledged the Thirteenth, Fourteenth, and Fifteenth Amendments, and pledged their loyalty to the U.S. government.
Explanation:
The federal judicial system promotes the constitutional principle of rule of law by ensuring that the laws passed by congress are fairly applied to all citizens.
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Explanation:
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While constituting the federal judicial system the congress as created rule of law that will be applicable to all the citizens of America.
Federal courts are courts that are created by the federal government which has limited powers that is, the power are limited to particular region or you can call it courts of limited jurisdiction.
The courts within the states are called as federal district court and it is originating point for any case in the federal statutes. The ambit of rule of Law promoted by the federal judicial system will have constitutional binding for all the citizens of America.