Understanding 'Mobilize' in Context

The sprawling city of Verdania was renowned for its lush parks and vibrant culture. However, beneath this picturesque facade lay an intricate network of challenges faced by its residents. The mayor, aware of the growing discontent, was determined to innovate solutions. In a recent town hall meeting, he proposed a bold initiative aimed at reducing traffic congestion while simultaneously enhancing the local economy. 'We must galvanize our community efforts,' he emphasized, urging citizens to 'mobilize' in order to manifest these changes. With passionate reactions from the crowd, the air crackled with anticipation and skepticism alike.

In this context, the word 'mobilize' is crucial to understanding the mayor's intent. It suggests a specific action that is connected to uniting the community to address a challenge. What does 'mobilize' mean in this scenario?