That Answer is Incorrect. The correct answers are:
Nations must cooperate to bring about and maintain world peace.
Nations must not wage wars or commit war crimes in a desire to control other nations.
Throughout his reign, Charlemagne has (A) expanded his kingdom, (C) expanded education and learning, and (D) supported monasteries in their efforts to preserve learning.
For the second set, Charlemagne (A) united a vast realm under the Christian faith and (C) became the first emperor of the Holy Roman Empire.
In the year between 1760 and 1840 AD a tremendous change occured in the field of industry in England .Different machines were invented and came into use to produce the goods . Such machines were operated by power and produced the goods many times more than the goods produced by hands .These change occured in England is called Industrial Revolution
Answer would be D)abolition