The introduction of your research paper should provide a background of the study. This includes an explanation of the area of your research to set context for the problem at hand. This includes a detailed literature review in which you explain what previous studies state about the topic, discuss recent developments on the topic, and identify the gap in literature that has led to your study. You should also explain the problem that the study addresses and give a brief account of the history of the problem mentioning whether it has been addressed in any form before. This will lead up to the research question and the aims of your study.
You might also be interested in reading the following posts:
You will also find these ebooks helpful -