Which of the following can lead to a charge of battery?

A charge of battery typically involves physical contact that is intentional and offensive or harmful in nature. In this context, the correct answer emphasizes that physical contact in a rude or insulting manner constitutes battery, as it meets the essential criterion of unwanted physical interaction with another person.

When physical contact occurs, even if it's minimal or deemed rude, it can still legally qualify as battery if it is done with the intent to offend or insult the recipient. This differentiates it from the other scenarios listed. Intimidation without physical contact, verbal threats, and simply planning to cause harm involve no actual physical interaction, which is a fundamental aspect required for a battery charge. Thus, only the option involving physical contact aligns with the legal definition of battery in this situation.