Policies (laws) typically come from five types of sources:
Constitutions
Founding documents establishing how a government is set up
You are unlikely to use a constitution for this assignment.
Statutes
Laws passed by the legislative branch of government (US: congress, Michigan: legislature)
Associated terms:
statutory
law code, United States Code
bill
Congress, House, Senate
Regulations
Laws established by the executive branch of government (US: president and federal agencies, Michigan: governor and state agencies)
Associated terms:
administrative
agency
executive orders
Code of Federal Regulations (CFR), Federal Register (Fed. Reg.)
Cases
Decisions by the judicial branch (courts)
Associated terms:
precedent
decision
opinion
v. or vs. between two names
Treaties and international agreements
Laws that two or more nations agree on together
Includes policy coming from the United Nations
Legal citations
What are these abbreviations?
You may come across citations in your readings that look like these examples:
547 U.S. 715
33 U.S.C. §1311
33 CFR §328.2
Legal citations use a specialized format that uses lots of abbreviations. You don't have to understand these citations! But don't ignore them as they can lead you to important sources.
For federal law sources, just paste the citation into the search bar at govinfo.gov to look it up. For state laws, start with a Google search of the citation. In general, whenever you don't understand a citation, try pasting it into Google or your favorite search engine.