What does the saying south end of a northbound horse mean?

What was martin luther king, jr., referencing in the passage that brought him to lead a protest in birmingham?

What issue lead from texas seceding from the union

Part a: which statement identifies the central idea of the text? a: the north was more powerful than the south and was always going to be the victor of the civil war. b: despite the obvious strength of the north, the outcome of the war was unpredictable at the time. c: the united states underestimated the strength of the south, giving it the upper hand. answer !