500
"A house divided against itself cannot stand. I believe this government cannot endure permanently half slave and half free. I do not expect the Union to be dissolved; I do not expect the house to fall; but I do expect it will cease to be divided. It will become all one thing, or all the other." - Abraham Lincoln
Based on his statement, which of these did Lincoln believe?
a. All the states will become slave states.
b. The United States will be divided into two countries.
c. All the states will become free states.
d. The United States will not continue to be divided.
d. The United States will not continue to be divided.