Phrenology - the Belief That Bumps on the Skull Reveal

Phrenology - the belief that bumps on the skull reveal an individual's personality - was appealing to Americans because

A) It had deep roots in the scientific community.
B) In a rapidly changing world, it provided a quick way to size up other people.
C) It had the endorsement of major religious organizations.
D) It was quick and easy to learn and master.
E) None of these choices