The Paleolithic people(old stoneage) created the plow. The Chinese created the chain pump(pumps water) that's all i know
the three-field system
Johannes Gutenberg introduced the invention of printing which helped improve the Middle Ages. He was a goldsmith, printer, and a publisher.
The compass helped people in the Middle Ages improve their navigational abilities. This was a time of exploration, and the compass helped navigators as they explored on land and sea.
Farming
for farming
Sex, murder, and farming are all equally important in the middle ages
Tenate farmers/peasants
Mainly farming.
They cried
gothic
Crusades
Farming improvements in the Middle Ages led to greater agricultural yields, which attributed to a dramatic increase in population. The revival of trade led to a growth of cities.