After you have developed a research question, you'll need to break that question down into "keywords"--the most essential elements of the research question. These terms are what you will search with in library databases. It also is important to brainstorm related words and concepts, so that you have multiple terms to mix and match--this will maximize your chances of finding sources.
[Credit: Ohio Northern University Library: https://libguides.onu.edu/c.php?g=370734&p=2505415]
When you are trying to find arguments for a particular side, the words "pro" and "con" may not work and words like "for" and "against" may be ignored by the search engine.
Here are some terms to try:
|Both sides of the debate||"Pro" arguments||"Con" arguments|