How did the Middle Ages contribute to the history of mankind?

The Middle Ages, especially later, made a huge contribution not only in industrial and material, but also culturally. In the Middle Ages, not only blast furnaces, porcelain and so on appeared, but also the chic architecture of the Romanesque and Gothic style, legislative processes were developed and gradually improved. The Middle Ages gave society many useful material and spiritual tools, without which it is difficult to imagine the existence of modern man.