As you learn about your topic, it's very likely your research topic will change. Doing research is a bit like taking an unstructured walk where you have some sense of where you are but are open to exploring different paths. When you're doing research, you may come across an interesting article that takes you in a different direction.
You may also find that there is little or no research on the research topic you picked initially and have to change or refine it. That's OK and a normal part of doing research.
Many students jump right into research by searching for peer-reviewed articles on their topic and then feel a bit lost. Doing background reading on your topic is a great way to orient yourself to a topic, learn about the key issues and debates, and become familiar with the language being used to discuss your topic.
To do background reading on your topic:
As you read, pay attention to the terminology used to write about your topic. These can help you create a keyword list that you can use to search for sources on your topic and help you think of different topics s or research questions.