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 Revolution would have significant effects on the lives of slaves and free blacks as well as the slavery itself. It also affected Native Americans by opening up western settlement and creating governments hostile to their territorial claims.
The American Revolution had an important alliance with France in 1778, after having their trust by winning the battle in Saratoga. The French not only recognized the new United States but also trade concessions and privileges. One year later in 1779, Spain joined the war against the UK in the side of France. The French decision to join the infant United States in its fight for independence was by far the most important factor in America’s winning the Revolutionary War.
Farming was a source of income in the colonies
