Answer:
They worked to free the serfs
Explanation: They worked to free medieval laborers (aka) slaves
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One advantage of the interview method of personality assessment is the "<span>ability to pose open-ended questions".
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In an interview the person under appraisal must be given impressive scope in "recounting his story." Interviews have both verbal and nonverbal (e.g., gestural) segments. The point of the meeting is to accumulate data, and the sufficiency of the information assembled depends in extensive part on the inquiries asked by the questioner.
C. playing a ball game with stone hoops
D. Regular river flooding
New ideas and innovations have impacted the world by changing our lives as we know it. Electricity and washing machines are great examples. They took the hard tasks and made them easy. In other words ideas and innovations have taken a world and made it modern and smart.