What effect did the development of trade have on settlement patterns in medieval times?

a)more people moved to the cities in the middle east to be near ports.
b)the size of towns grew as trading increased.
c)population shifted to the manor to avoid the dangerous trade.
d)only port cities grew as sea trade prospered.

B)The size of towns grew as trading increased.

Explanation:

From the twelfth century, there were profound changes in Europe, trade in the Middle Ages: the rural and closed economy, typical of the feudal era was gradually transformed into an open and commercial economy. Then, industry, markets and money regained importance. This commercial renaissance, which reached its peak in the thirteenth century. These changes led to the increase in population and the development of urban centers.

well the fact it is basically a peninsula allowed trade to come from many places, thus allowing cultural diffusion to take place. india has seasonal monsoons that merchants travel back and forth from india using the monsoons wind patterns