"We, ... the People of South Carolina, by our delegates in Convention assembled, appealing to the Supreme Judge of the world for the rectitude of our intentions, have solemnly declared that the Union heretofore existing between this State and the other States of North America, is dissolved, and that the State of South Carolina has resumed her position among the nations of the world, as a separate and independent State; with full power to levy war, conclude peace, contract alliances, establish commerce, and to do all other acts and things which independent States may of right do."

Question

This document was written
Responses
A following the approval of the Emancipation Proclamation.following the approval of the Emancipation Proclamation.
B when the 13th Amendment to the Constitution was ratified.when the 13th Amendment to the Constitution was ratified.
C when the Confederate States declared war on the United States.when the Confederate States declared war on the United States.
D following the election of Abraham Lincoln as the U.S. President.

Answer 1

The document you quoted is the Declaration of the Immediate Causes which Induce and Justify the Secession of South Carolina from the Federal Union. This document was written following the election of Abraham Lincoln as the U.S. President. Therefore, the correct response is:

D following the election of Abraham Lincoln as the U.S. President.