How would a booming economy help with the development of a new genre like Rock and Roll?

For plato complete the following paragraph with the appropriate principle of animation? a character is walking down the road and, as he does, he lifts his hat to greet a passerby. this scene uses to make the character relatable. as the character walks, his coat-tails swing left to right with each step. the movement of his coat-tails demonstrates the principle of .