Yes, it was a new attempt to accommodate the conflicting interests of North and South, following the failure of the Compromise of 1850.
It repealed the 36th parallel rule which made the states above the line free and the states below slave
Missouri Compromise
i don't know! (sorry)
The both deal with establishing boundaries for slave and free states. The Missouri compromise made Missouri a slave state while balancing the scale by declaring Maine a free state. As for the Kansas...