Which of the following factors in the decline of medieval europe can be attributed to the hundred years' war

Well the hundred year war started to decline once the nations england and france separated.

d. the residents of England and France established separate national identities.

Explanation:

According to a different source, these are the options that come with this question:

a. poor workers began receiving wages and gaining social mobility.

b. the people lost faith in god and the roman Catholic Church.

c. the region's population declined by 30 percent.

d. the residents of England and France established separate national identities.

The Hundred Years' War was a conflict that took place between England and France during the Middle Ages. This conflict is generally considered to have lasted from 1337 to 1453. During the war, both England and France dominated at different points. However, towards the end, England had lost most of its territories in France, and France rose to be the dominant power in Europe. The war also led to the development of very distinct identities for the residents of England and France.

d. she conquered the black sea coast and parts of poland.