Answer:
Squash and Stretch in animation (S'nS) are a more functional way to make the character you are animating come to life or become more like a cartoon. For example, a ball. You can squash it to make it look like it is going down, and stretch it to make it look like it is going up. This creates the squash and stretch motion.
(my opinion about this technique. I like to use it to make it look more clear and bouncy.)
Dr. King refers to peaceful protest when referencing the "majestic heights". He describes peaceful protest as meeting physical force with soul force, or the will to see that justice is enacted through nonviolent means. This is truly a difficult thing to accomplish in the face of brutal injustice, and is a majestic height to reach indeed. Dr. King proved that such heights could be reached, and that real progress toward equality could be made by nonviolent means.
A. Families who are in need of this service