“Pearl Harbor is an inlet of the Pacific Ocean, so I guess by your logic it is not in Hawaii. Ditto with Boston Harbor, because by your logic it can’t by part of Massachusetts. Bar Harbor must be outside the recognized boundaries of Maine. You’re delusional, to put it mildly.”
You’re flaunting your ridiculous ignorance. The U.S. Government had the Constitutional power to regulate international and interstate commerce under the Commerce clause of the U.S. Constitution, which also encompassed the territorial marine and navigable waterways such as Charleston Harbor, South Carolina. That is why the fact that Charleston Harbor was a navigable inlet from the Atlantic Ocean for international and interstate marine commerce placed the waters of Charleston Harbor under certain types of Federal jurisdiction. This Constitutional power was affirmed on multiple occasions by the U.S. Congress, the Government of South Carolina, and the Supreme Court of the United States in Gibbons v. Ogden, 22 U.S. 1 (1824). The Secretary of State of the State of South Carolina also granted to the U.S. Government a title deed for the actual underwater site of Fort Sumter after the construction raised the level of the site above the waterline using granite blocks transported from New England.
Thanks WX, you have more patience with the delusionals than I do.