经济与社会科学Free to access
Key facts
Contents & fields
The dataset contains 2 files; specific field information is not disclosed on the source page.
Research uses
Suitable for research in international relations, political science, and history on the evolution of state systems and interstate relations.
This card was drafted from the source page; institution, coverage, time span, scale, fields and license are subject to the official page (pending human review).
Keywords
Why this is hard to get on your own
When obtaining historical international relations data, multiple sources often need to be integrated; this dataset provides standardized state system data.