Inquiry-based research is an ongoing process. Once you've chosen a topic and explored it through various sources, the next step is to develop your research question. This is a critical part of inquiry-based research and is an open-ended question that hasn't been answered before.
Talk with your professor to determine if your inqury research question is appropriate given the scope and scale of the assignment
Make sure you go through the research question approval process if required by your professor
This video (2:31 minutes) reviews the difference between a research topic and research question.
The following resources can help you discover a topic for research and/or start a deeper exploration into your research question.These are just starting points and other resources will be needed to further investigate your argument or point of analysis.