How did bleeding kansas embody the slavery controversy?

And the spark struck out by that steed, in his flight, kindled the land into flame with its heat. what do you think he meant

Where many new immigrants to the united states settles

Why would southern delegates to the constitutional convention have opposed the three-fifths compromise? a) they feared that the president would eventually become "king" in the united states. b) they believed it would be insufficient in protecting the united states from invasion. c) they opposed the creation of a congress that would give states an equal number of senators. d) they wanted their full population of slaves to be counted for purposed of congressional representation.