There are several databases that will you find a topic or even help you narrow your topic:
The first two are good for informative essays were you are trying to convey basic information on a topic. The last two are good for persuasive papers when you are developing an argument.
Research is a recursive process meaning that you may have go back and change something as you research. Picking a topic and narrowing is part of that process. Some would say the most important part!
Using NoodleTools For Your Note cards
"Inform Your Thinking: Episode 4 - It's All About the Questions." YouTube,
uploaded by OKStateLibrary, 27 June 2016, youtu.be/PDsAjP3tNzk. Accessed 17
Oct. 2018.
"Picking Your Topic IS Research!" YouTube, uploaded by Libncsu, 1 May 2014,
youtu.be/Q0B3Gjlu-1o. Accessed 17 Oct. 2018.