Columbia subject headings:
Harvard subject headings:
Agriculture and state--Brazil--History--20th century.
Brazil--Economic conditions--1964-1985.
Brazil--Economic policy.
Exports--Brazil--History--20th century.
Soybean industry--Brazil--History--20th century.
Princeton subject headings:
Agriculture and state--Brazil--History--20th century.
Brazil--Economic conditions--1964-1985.
Brazil--Economic policy.
Exports--Brazil--History--20th century.
Soybean industry--Brazil--History--20th century.