PLZ HELP!!!Read the sentence. LINCOLN’S WAS A STONE FORTRESS the battle to abolish slavery which best interprets the uppercased word

A it means that Lincoln started civil war to end slavery.

B it means that Lincoln built a stone fortress to recognize the sacrifices to slaves during the civil war.

C it means that Lincoln’s determination to end slavery was a huge benefit to the cause.


D it means that Lincoln protected slaves by relocating them to safe house.