What revolutionary idea did Sir Robert Peele advocate regarding police?

The correct answer highlights Sir Robert Peel's emphasis on the professional image of the police, which significantly contributed to modern policing practices. Peel advocated for the implementation of uniforms for police officers as a way to establish a visible and identifiable law enforcement presence in the community. The uniform not only served to legitimize the role of officers but also aimed to foster trust and cooperation between the police and the public. This visibility was important for reassuring citizens and maintaining public order.

While the uniform was indeed a key component of Peel's vision, it also represented a broader principle of his philosophy that police should operate transparently and in partnership with the communities they serve. His principles sought to bridge the gap between law enforcement and civilians, promoting a sense of unity and shared responsibility for social order.

The other options, while related to policing concepts, do not capture Peel's core principles. The notion of unarmed police, secret operatives, and undercover operations can sometimes be elements of modern policing strategies, but they do not directly align with Peel's foundational ideas about the visible and community-oriented nature of police work.