The chief purpose of medieval fairs was to o
A. increase agricultural output
0
B. promote trade
0 C. help manors become self-sufficient
O D. protect the interests of craftworkers

B. promote trade

Explanation:

Medieval fairs were large scale fair that use to to held on every year in big towns and people come there from different cultures or regions for trade. People in this fair find various range of goods at a very cheap price because of the competition in the fair.  

The chief purpose of medieval fairs was to promote trade only as it allows people from different regions to come and sell their goods and increase the trade.

Hence, the correct answer is "B. promote trade".

answer; /// (a) and (b) ; /// but i believe the correct answer is ; /apart from fines and jail time, driving under the influence puts the life of the driver and everyone else on the road at risk; (b)

the old way of life was represented by superstition, an angry god, and absolute submission to authority. the thinkers of the age of reason ushered in a new way of thinking. this new way championed the accomplishments of humankind. individuals did not have to accept despair. science and reason could bring happiness and progress. kings did not rule by divine right. they had an obligation to their subjects. europeans pondered the implications for nearly a century. americans put them into practice first.