What was one effect of the hundred years’ war

Farmlands were destroyed, the population was decimated by war, famine, and the Black Death, also known as Black Plague, and marauders terrorized the countryside.

Explanation:

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others