Several of Milner Library's Politics & Government databases helpful for this assignment are linked at the bottom of this page:

Citation database focused on public affairs, public and social policies, and international relations and includes journals, books, government documents, statistical directories, grey literature, research reports, and conference papers. Some full text available.
Includes sources published from 1902 to present
Citation database focused on political science, international relations, law, and public administration & policy.
Includes sources published from 1975 to present