Answer:Education, work with Church and Spread of Christianity are what helped to unify the Carolingian Empire.
Explanation: Carolingian Empire can be described as an empire in western and central Europe in the middle ages.
Charlemagne was the first Frankish king who united most of the territories of Western and central Europe. He dashed or gave out money and land to the Christian church and protected the popes, He built a school in his palace and employed the best teachers to teach in the school.
C. I hope that this helps
It is called "demand characteristic".
In experiments, especially in the subject of psychology, demand characteristics alludes to an experimental artifact where members shape an elucidation of the test's motivation and consciously or subconsciously change their conduct to fit that understanding. This influences information since members begin considering causal, gullible connections, and they endeavor to make sense of it this influences study’s end data.
