Secretary Hoover took his protest against British restriction on the production of rubber by that body to invest $10,000,000 a year for five years in planting rubber trees in U.S. territory or in territory where there is no foreign restriction.

A few days later Harvey Firestone, tire manufacturer, who is opening great rubber plantations in Liberia, told the investigators of the House of Representatives that, while the Philippines possess all the qualifications for producing rubber, no attempt to invest capital in rubber plantations...

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