Boy were sent to do what at the age of eighteen?

At the age of eighteen, boys are typically sent to fulfill various responsibilities, including completing their education, entering the workforce, or serving in the military, depending on the cultural and societal norms of their country. This transition often marks the beginning of adulthood, where they are expected to take on more significant roles and make independent decisions. In many places, turning eighteen also grants them legal rights, such as voting and signing contracts.