The concern about the weight of the roof at York Minster was such that the vaults in all but the smallest aisles were made of wood. This decreased the pressure on the pillars, foundations etc but led to future problems concerning fire and death watch beetles. York Minster does have flying buttresses but these were added in the Nineteenth Century.
The ability to cope with greater weights also allowed Gothic architects to use larger windows. The Normans had been limited to using small slit windows. Now cathedrals and churches could have large stained glass windows. The Great East window at York Minster is the size of a tennis court, a size that would have been unthinkable for the Normans.
These new huge buildings cost vast sums of money. Where did the church get this money from? Basically, the bulk of it came from the people of England. Peasants and town dwellers paid numerous taxes to the church - a tax at baptisms, marriages and deaths; tithes and for centuries people had to work for free on church land. The revenue gained from these assisted the building of cathedrals like those at Lincoln, York, Canterbury and Chichester.
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