What best indicates that the passage was written in the nineteenth century?

When or while doing research and in avoiding open-ended questions never start out with the word is. thusly, because when i ask you is it hard to research a paper? you most likely will just answer rhetorical and reply with a yes or no answer when you start off with then it leads me to believe you are going to give me a set of examples to my question what would it be like to discover learning could become fun? in this i would assume you'd give me your reasons why in allowing me to understand your own personal thoughts ideas or opinions in what made you feel or what you think about the question at hand