The right answer is A. by sending unarmed supply ships to the fort.
In his inaugural speech, Abraham Lincoln was explicitly defending that secession was unconstitutional but was not willing to invade the South. But in this attempt to resupply the Fort Sumter in the south resulted at the beginning of the war. When South Carolinians shucked Fort Sumter, in Charleston Harbor, Lincoln began his call to arms. Other southern states seceded at that point, and the Civil War was initiated.
The invasion of Poland caused the beginning of World War II
James Madison, John Jay, and Alexander Hamilton.
The Civil War influenced the role of government in the United States because it highlighted how the national government was the sovereign power. Following efforts by states to succeed and establish their own system of government the national government of the U.S. asserted is dominance and defeated the southern belligerents, thereby reasserting its dominance over politics and government in the United States following the war.