Lincoln let confederate leaders know about his plan to resupply fort sumter so that

they would not fire on the ships.
they would not attack other nearby forts.
they could defeat union forces.
they would not attack during a union surrender.

Lincoln was sending supplies to Fort Sumter via ship. He notified the South that he was sending supplies for the survival of the troops (not weapons) so they would not fire on the ships.

Abraham Lincoln was the 16th President of the United States from March 1861 until his assassination in April 1865 and an American politician and lawyer.

they would not fire on the ships answer A

Explanation:

answer; negative punishment;

answer; cultural trait;