Agriculture was the primary economic activity in the Medieval World, as the majority of the population was engaged in farming.

The manorial system was a system of land ownership and agricultural production in the Medieval World, in which a lord owned a large estate and peasants worked the land in exchange for protection and a share of the crops.

The main trade routes in the Medieval World were the Silk Road, the Spice Route, and the Trans-Saharan Trade Route.

The Crusades had a significant impact on the economy of the Medieval World, leading to increased trade between Europe and the Middle East, the decline of the Byzantine Empire, and the rise of the Mongol Empire.

Cities in the Medieval World were centers of trade and commerce, learning and culture, and political power.

The Black Death was a plague that killed millions of people in the Medieval World, causing widespread social and economic disruption.

The Black Death had a significant impact on the economy of the Medieval World, leading to a decline in population, a shortage of labor, and an increase in wages.

The Renaissance was a period of cultural and intellectual rebirth in Europe, which had a profound impact on the economic, political, and social development of the continent.

The Renaissance had a significant impact on the economy of the Medieval World, leading to increased trade and commerce, the development of new technologies, and the rise of capitalism.

The Industrial Revolution was a period of rapid technological change and economic growth, which had a profound impact on the social, political, and environmental landscape of the world.

The Industrial Revolution had a significant impact on the economy of the Medieval World, leading to a decline in agriculture, the rise of factories, and the development of new transportation and communication technologies.

The Mongol Empire had a significant economic impact, facilitating trade between East and West, leading to the development of new technologies, and stimulating economic growth in Europe.

The Hanseatic League had a significant economic impact, facilitating trade between Northern Europe and the Baltic Sea region, leading to the development of new trading techniques, and stimulating economic growth in Northern Europe.

The Italian city-states had a significant economic impact, as they were centers of trade and commerce, banking and finance, and stimulated economic growth in Italy.

The Crusades had a significant economic impact, leading to increased trade between Europe and the Middle East, stimulating economic growth in Europe, and leading to the development of new technologies.