Your reader needs to know what you mean when you say certain things.This is usually only necessary when there are terms that have numerous definitions: eg if you use "consumerism" are you discussing this as an ideology, economic policy or type of behaviour?
Whist some progress has been made since these two inquiries were carried out, many improvements still need to be made to overcome institutional racism.” Take a look at this detailed example of an introduction (PDF), which is broken down to show the purpose of each sentence within the introductory paragraph.
Take note of these and, as you work through revisions, refine and edit your opening.
If you're struggling with the opening, follow the lead of other writers and skip it for the moment.
It informs readers about the topic and why they should care about it, but also adds enough intrigue to get them to continue to read.
In short, the opening paragraph is your chance to make a great first impression.