The answer is A: The development of the first mathematical system of perspective
Answer:
Punishment
Explanation:
Punishment is a way of decreasing undesirable behavior by adding or removing a pleasant stimulus.
Punishment can either be positive or Negative, it is positive when a pleasant stimulus is added to decrease undesirable behavior while it is negative when a pleasant stimulus is removed to decrease undesirable behavior.
Raising the insurance rate for the girl for the girl till she is 25 is a kind of positive punishment which helped to reduce her speed.
Yes Fredric Douglas's account is a trustworthy source for knowing about John Brown's intentions.
<h3>Who was Fredrick Douglas?</h3>
This man was an abolitionist, a speaker and a publisher in the United States.
He led the march to end slavery during the civil war in the country and before it.
His account is trustworthy due to the fact that he had personal relations with John Brown.
Read more on Fredrick Douglas here: brainly.com/question/13896424
Answer: make himself relatable to the common people.
Explanation: I study history
