The Missouri Compromise was primarily aimed at resolving the issue of admitting a slave or free state and which to divide them among after a piece of land was acquired . So the issue was controversy upon admitting slave states or free states into new territories . <span />
No.
there really isn't an excuse to why anybody isn't treated or seen as an equal. Everybody is and should be treated an equal. In back then, if you're going to create equality and speak equality you should probably practice what you preach.