I think it is D and please follow me
Answer:
They will have to make another hypothesis because there last hypothesis was wrong.
Explanation:
Manors experienced labor shortages due to the high number of deaths from the Black Death. The Lords had to do the work themselves.
When the South of the United States separated themselves from the US they called themselves.
The Confederate States of America.
The answer is: Who has the greatest needs?
A question regarding 'for whom to produce' focused on the target market where the producers intended to sell their products.
This means that the grater the need of the product, the more likely people willing to put their money in order to get that products. Answering this would translate positively to the producers' overall profit.