It depends what you are writing,some can be factual/informal,others persuasive ect
Irony is definitely the answer to your question.
Answer: Thomas Jefferson was the principal author of the Declaration of Independence. The Declaration states, “We hold these Truths to be self-evident, that all Men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty, and the Pursuit of Happiness….”
Explanation:
Possibly "Matriarchy", which means "a society ruled by women"