President lincoln did not include union border states in the emancipation proclamation because he wanted to the union recruit african-american soldiers. encourage southern states to surrender. keep the border states loyal to the union. stop the underground railroad.

Context/explanation:

While Lincoln personally was strongly against slavery, he had to tread carefully in his role as president and commander-in-chief.  As The History Channel points out, Lincoln was "worried about the support of the four border slave states."  Those border states, which remained in the Union though they were states that permitted slavery, were  Maryland, Missouri, Delaware, and Kentucky.   Lincoln wanted to keep those states loyal to the Union cause.

cruel, heartless

explanation: