What were the big problems 14th and 15th centuries

the crisis of the Middle Ages was a series of events in the 14th and 15th centuries that brought crematories of European prosperity and growth to halt.

3 major crisis last led to redo all changes in all areas of society:

demographic collapse,

political instabilities, And

Religious upheavals.

Answer: The crisis of the Late Middle Ages was a series of events in the fourteenth and fifteenth centuries that brought centuries of European prosperity and growth to a halt. Three major crises led to radical changes in all areas of society: demographic collapse, political instabilities and religious upheavals.