The answer to this would be the Commerce Clause. Hope this helps! :)
I go this online so read it and get your answer. Hundred Years’ War, intermittent struggle between England and France in the 14th–15th century over a series of disputes, including the question of the legitimate succession to the French crown. The struggle involved several generations of English and French claimants to the crown and actually occupied a period of more than 100 years. By convention the war is said to have started on May 24, 1337, with the confiscation of the English-held duchy of Guyenne by French King Philip VI. This confiscation, however, had been preceded by periodic fighting over the question of English fiefs in France going back to the 12th century.
To survey the land and track a route to the Pacific Ocean
<span>It was an improvement over Americas previous views that individual states should have more power than the Federal Government. After the failure that was the Articles of Confederation the abilities the constitution gave to the Federal government improved the economic and overall stability of the states from its traditional views on giving a single body too much power</span>