1 economic history medieval era (500 – 1400 ad) feudalism -- western europe second agricultural...
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Economic HistoryEconomic History Medieval Era (500 – 1400 AD)
Feudalism -- Western Europe Second Agricultural Revolution (900 - 1500
AD) Stirrup Horse Collar Horse Power Vertical Plow 3 Field Crop Rotation
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Wheat - Year 1Fallow - Year 2
Fallow - Year 1Wheat - Year 2
Field one 300 acres Field two 300 acres
Wheat - year 1
Legume- year 2
Fallow – year 3
Legume-year 1
Fallow - year 2
Wheat - year 3
Fallow - year 1
Wheat - year 2
Legume - year 3
Field one200 acres
Field two200 acres
Field Three200 acres
Two Field Crop Rotation
Three Field Crop Rotation
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Two field rotation Plowing 300 + (300 x 2) = 900 AcresCrop 300 AcresRatio 300/900 = .33
Three field rotationPlowing 200 + 200 + (200 x 2) = 800 Acres Crop 400 AcresRatio 400/800 = .50
How much new land can be brought into production with same amount of work?
• 100 acres • 50 acres• 75 acres75 acres
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Accumulation--Economic Surplus
How is it used?
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Cities - cathedrals
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