<span>Unfortunately,
they are immense machines, expensive to move and store, difficult to
test, complex to maintain, and far from secure against vote fraud. Furthermore, a lever voting machine maintains no audit trail. With paper ballots, a it is possible to recount the votes if there is an allegation of fraud.</span>
External I think so yeah chech it out
Answer:
b. Understanding the treatment of abnormality.
c. Understanding the causes of human behavior.
Explanation:
Abnormal psychology is the study of abnormal thoughts, behaviors, or internal experiences in order to describe, predict, explain and treat these pattern of functioning.
So all of the theoretical perspective under abnormal psychology are set to help drive this definition above.