Final answer:
Handguns, patrol rifles, and knives can all be considered offensive weapons as they are designed for causing harm or injury to others.
Step-by-step explanation:
An "offensive" weapon is one that is designed primarily for use in attack or for the purpose of causing injury or harm to others. In the context of the question, handguns, patrol rifles, and knives can all be considered offensive weapons.
Handguns are small, portable firearms that are typically designed for personal defense or concealed carry. They are capable of inflicting significant damage or causing harm to others.
Patrol rifles, also known as assault rifles or semi-automatic rifles, are firearms designed for use by law enforcement and military personnel. They possess greater firepower and range compared to handguns and are intended for offensive operations.
Knives can also be considered offensive weapons, depending on their design and intended use. Certain knives, such as switchblades and daggers, are specifically designed for use in combat or to cause harm to others.
In conclusion, all of the options in the question, handguns, patrol rifles, and knives, can be categorized as offensive weapons.