Why did Fort Sumter fall to the Confederacy?

Following Beauregard's bombardment in 1861, Confederate forces occupied Fort Sumter and used it to marshal a defense of Charleston Harbor. Once it was completed and better armed, Fort Sumter allowed the Confederates to create a valuable hole in the Union blockade of the Atlantic seaboard.

Explanation:

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no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

the first two years of american revolution was not very encouraging for the patriots since the british were far superior in sea power, arms and troops.