Lincoln interpreted his re-election in 1864 as a , a clear sign from the voters to end slavery permanently by amending the constitution.

Mandate

Explanation:

Mandate refers to official will or order from a certain entity. In this particular context, that entity is the majority of united states citizens who opposed the establishment movement.

Throughout his political career, Abraham Lincoln has been really opened about his opposing view toward slavery, and use it as one of the main focus in his political platform.

The fact that people still re-elect him despite this view (which is really controversial at that time) indicates that the majority of the people also wanted the slavery to end, and use the re-election as a method to show their mandate for the government representative.

answer; (d) none of the above;