How does the structure of the poem contribute to the author's development of Marsha's
illness?

c. in order of atomic number

the development of trade during the middle age increased to the change given in the agriculture, which gave money, industry and markets a bigger importance in economy. the agriculture production was more than the consumption, which meant the creation of wider markets out of the areas. besides, with the end of multiple wars, the population increased and new trade routes were created.

i believe it is b, but i could be wrong. im pretty sure im right tho. ; )