Legislative history, aka what solutions have been offered before
Take notes WHILE YOU RESEARCH: create a document where you paste links of potentially useful articles, so that you can read them later. Note dates of those articles.
You are looking for:what government action has been taken before? Because it is PUBLIC POLICY, it has to be government (city, state, federal). [e.g. sanctuary city is the city level, contradicting federal level.

did any scientists or social scientists contribute to the debate?

What solutions by private organizations have been adopted before?

Research process:Do you want to find the history or to write the history? To find published history: 1. Library of Congress; 2. Law Librarians’ Society Legislative Sourcebook. 3. Google; 4. Specialized paid databases (ask librarian); 5. Free access databases (see attached image for the list)
Citation:The complete paper should have citation TWICE:1. inside the text “according to”2.at the end full citation: Author, Title, Publisher, Date, url. Note: for government sources, use issuing agency (house, number, session, year) for “author”
The actual paper should:

report what action has been proposed or taken on fixing your issue; Include dates! Are these actions federal, state, city, private organizations, wards?
identify who is mainly proposing solutions
evaluate: are these actions/policies sufficient? are they working? Why or why not?

General tips:The tone should be civil and constructiveLegislative history is interpretiveLook for original intent