Columbia subject headings:
Agriculture and state--Latin America.
Collective bargaining--Agriculture--Latin America.
Social conflict--Latin America.
Harvard subject headings:
Agriculture and state--Latin America.
Collective bargaining--Agriculture--Latin America.
Social conflict--Latin America.
Princeton subject headings:
Agriculture and state--Latin America.
Peasants--Latin America--Political activity.
Social conflict--Latin America.
Social movements--Latin America.