Just as the apostle paul left his village of tarsus and carried the gospel of jesus christ to the far corners of the greco roman world, so am i compelled to carry the gospel of freedom beyond my own home town. why does king use this allusion?

Martin Luther King used this allusion to B) emphasize the morality of his cause.

Explanation:

To understand this we need to analyze both elements. First of all this allusion communicates that paul the apostle left his home to communicate the gospel of Jesus Christ to the extents of the empire so men could be saved. Second, Martin Luther King left his comfort zone to deliver a message of freedom and liberty to inform everyone about liberty as a human right.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

c hydrophobia is the answer