Columbia subject headings:
Political participation--South America.
South America--Armed Forces--Political activity.
South America--Politics and government--20th century.
Harvard subject headings:
Political participation--South America.
South America--Armed Forces--Political activity.
South America--Politics and government--20th century.
Princeton subject headings:
Political participation--South America.
South America--Armed Forces--Political activity.
South America--Politics and government--20th century.