Medicine did not advance much in early European Christian societies because being a doctor goes against Christianity.
people believed illness had divine causes.
Christians just adapted Islamic and Chinese medicine.
there were very few people who could read, making the study of medicine
difficult.

Getting rid of my account might as well do it with some fun a young woman was pulled over for speeding. as the motorcycle officer walked to her car window, flipping open his ticket book, she said, "i bet you are going to sell me a ticket to the highway patrolmen's ball. " he replied, "highway patrolmen don't have balls." there was a moment of dead silence while she smiled, and he realized what he'd just said. he then closed his book, got back on his motorcycle and left. she was laughing too hard to start her car for several minutes.

Why were the farmers not satisfied with only establishing cooperatives ?

Drivers must always yield to emergency vehicles traveling