What is the issue lincoln is saying is dividing the government?

Slavery

Explanation:

Lincoln was very much against slavery and at that time slavery's place in the growing western territories was splitting the nation into two. He also stating that it was dividing the federal power over individual states' rights. He established that America was becoming a “house divided”.

honestly you should get that checked out because it really isn't normal

the answer to this question is the third option. hope this