"my fellow citizens of the world: ask not what america will do for you, but what together we can do for the freedom of man."

this famous quote uses what persuasive technique?
a. analogy
b. testimonial
c. emotional appeal
d. appeal to authority

How was the method of making pottery by using coils of clay better than simply shaping the clay by hand? it prevented pottery from cracking when fired. it created a watertight seal. it produced more attractive pottery. the pottery could be cut or stamped with designs.