Which of the following statements is false?
a. rhetoric has its foundations in ancient greek principles of speech.
b. rhetoric is the art and craft of speech.
c. it is acceptable to lie and manipulate in your arguments as long as you are able to persuade people.
d. it is essential to remain ethical in your persuasive arguments.

Rhetoric is the art of discourse, especially persuasive discourse and it can be traced back to Aristotle, which confirms that it has Greek origins. (we know that both a) and b) are true).

It is also essential to remain ethical in the arguments - this is also true.

The one statement that is false is the following one: c. It is acceptable to lie and manipulate in your arguments as long as you are able to persuade people.