Unity in the Maya world was developed by a common language and what activity?

Unity in the Maya world was fostered by a common language, primarily the various dialects of the Maya languages, which facilitated communication and cultural exchange. Additionally, shared religious practices and ceremonial activities, such as rituals and festivals, played a crucial role in uniting different city-states and communities within the Maya civilization. These elements helped create a cohesive cultural identity despite the political fragmentation among various Maya polities.