It did, vastly more so than other periods. In the Middle East, the Islamic Golden Ages were occurring. During this time, there was a vast advancement of technology, mathematics, medicine, etc. You must mean, why was there not much advancement produced by Europeans. That was because of the fall of the Roman Empire. During Feudal times, people in Europe had limited access to knowledge, after the fall of the roman empire, and Europe being invaded by barbarians. The Church preserved the knowledge until the renaissance began.
because they didnt have silver ware
They didnt have stockpiles of extra food; they were dependent on the recent harvest.
They didn't have any chemistry.
because during the passover the people didnt have time to put leavening in their bread, which is what made the bread rise.
they didnt
They didnt
He didnt have a middle name
he didnt
that they didnt know cures for dieseeses or they didnt know they had dieseeses
he didnt have a middle name
no he didnt have one
roald dahl. he didnt have a middle name.