Does stratagem have more of a positive or negative connotation? Explain your answer.

Well, given that connotation refers to the imaginative meaning behind a Word while being used to call someone in a certain way, and stratagem is a word used to talk about a clever scheme or trick or trap, the obvious answer is that it has a positive connotation because as its not referring to a person it's a polite-like way to call a trick or strategy.