Yes, humans did exist in the cenzoic era but i don't think they were the first to appear in it
5. To limit the power of the governor
James the Just, Peter, and John.
The correct answer is John Stuart Mill.
He was a famous British philosopher who lived during the 19th century. He was a major proponent of utilitarianism, which is an idea that everything we do is supposed to help the society around us. According to him, even happiness is a utilitarian though, meant to help the world.