Answer:
I believe the answer is B.
Explanation:
California was to enter the Union as two states. The northern one would be a "free" state called California and the southern one would be a territory which was to immediately become a “slave” state to be called Colorado. Californians were outraged that the federal government could overrule the decision of a state.
The Ottoman Empire was a desirable territory for European nations during the nineteenth century because, during those times, it was weakening. The European nations saw this as an opportunity to expand.