What might be some of the issues that the US will have after the assassination of Lincoln?

An issue they would have would be that there president is dead.

Explanation:

He got assassinated

answer; ///he or she can either go to court or not. if he or she doesn't go, he or she must send a witness to stand for them, if he or she doesn't send a witness, he or she will be issued a bench warrant ,captured and forced to go to court; good luck

answer; a splinter party;