Final answer:
Pietro Lorenzetti's work represents a bridge between Gothic art and the Renaissance through his use of naturalistic representation and linear perspective. His work is influenced by the Proto-Renaissance period.
Step-by-step explanation:
Pietro Lorenzetti's work represents a bridge between Gothic art and the Renaissance in several ways. One element is his use of naturalistic representation, which is a characteristic of Renaissance art. In his masterpiece, the Allegory of Good and Bad Government, he portrays figures with realistic proportions and detailed facial expressions, similar to Renaissance artists like Leonardo da Vinci and Michelangelo. Another element is his emphasis on three-dimensional space, achieved through the use of linear perspective, which was a technique associated with the Renaissance. Lorenzetti's work shows the influence of the Proto-Renaissance period. This period, characterized by early explorations of naturalism and perspective, laid the foundation for the later developments of the Renaissance. The formalization of perspective by Filippo Brunelleschi, as mentioned in the provided information, was a significant event in the Proto-Renaissance. Lorenzetti's use of linear perspective in his compositions reflects the influence of this period.