D. Abraham Lincoln started it
I think the answer to this question is mountains
Answer:
Operant Agression
Explanation:
Operant Agression are behaviors that are reinforced by the removal of an aversive event. Behavior such as fighting , attack on one another.
Agression is caused in a large part by the negative emotions that we experience as a result of aversive event that occured.
Answer:
B suppressed the issue of slavery and abolition at the the time
Explanation: