Why did the battle of Fort Sumter begin?

when president Abraham Lincoln announced plans to resupply the fort confederate general P.G.T Beauregard bombarded Fort Sumter on April 12, 1861, kicking off the battle of Fort Sumter.

April 12-13, 1861. This battle marked the start of the civil war

Explanation:

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.

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