Don't make it very broad, meaning somethings specific like "The history of Colgate toothpaste" or "The history of the fist apple computer". Go for something very narrow and something you can easily find information on. Don't choose something like "the history of computers" because then you'll have to write about every single computer and I doubt you'll be able to fit every computer ever in 5 paragraphs. Stick to very narrow subjects and don't put "I think" or "I believe" in there since its a research paper.
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