Why was it important that Bocaccio and Petrarch did not write in latin'?

Boccaccio and Petrarch's decision to write in the vernacular rather than Latin was significant because it made their works accessible to a broader audience, thereby democratizing literature and culture. By using the language spoken by the common people, they helped to elevate the status of the vernacular and contributed to the development of national literatures. This shift also reflected the growing humanist movement, emphasizing individual expression and the importance of human experience over classical traditions. Their choice ultimately laid the groundwork for the Renaissance's cultural and literary evolution.