What constitutes a breach of the peace?

A breach of the peace refers to any action that disrupts public order and tranquility. This can include a variety of actions such as fighting, public disturbances, or other behaviors that lead to unrest within a community. The legal concept emphasizes the importance of maintaining peace and order in society, and actions that violate this principle can attract law enforcement attention and potential legal consequences.

When considering why the other options do not reflect a breach of the peace, it's clear that violating business contracts pertains to civil issues and agreements between parties rather than public order. A petty theft incident, while it may cause some disturbance, is more specific to property crime than a broader disruption of societal order. Lastly, a peace treaty violation deals with international relations and treaties between nations, which, while serious, does not fit the local context of public order issues typically associated with the concept of breach of the peace. Therefore, the correct answer focuses on actions that threaten or disturb the tranquility of the community at large.