In order to make a case for funding to a grant maker, you will need to have researched the particular problem you're trying to solve. This page links to resources that will help you do this research. Let's use the example of reducing recidivism of juvenile defenders through via educational programs. Here are some techniques that you might consider:
This guide only links to broad resources. You may consider exploring other library subject guides on topics related to the topic on which you're working. For our example topic you'd want to consider looking at a research guide on criminology or education.