Which event led directly to the secession of southern states? . a. a u. s. army attack on fort sumter. b. the election of abraham lincoln as president. c. the implementation of the emancipation proclamation. d. an effort by republicans to repeal the fugitive slave act

The event that led directly to the secession of Southern states was the election of Abraham Lincoln as president. The correct option among all the options that are given in the question is the second option or option "B". I hope that this answer has come to your great help.

Ithink it's b . narratives cannot be changed by other historians later