Bulgarian agriculture was almost entirely one of small farmers and peasants. The lower class predominantly consists of rural subsistence farmers and landless peasants. Aldrich tricked them by lowering the tariff on farm products, which outraged the farmers. The brothers worked as farmers and laborers. Former slaves became wage laborers, tenant farmers, or sharecroppers. Subsidies were phased out to farmers and consumers. Several studies have rejected NAFTA responsibility for depressing the incomes of poor corn farmers. They helped start a guerrilla revolt of indigenous farmers. The purpose was to obtain arable lands for impoverished farmers. They were strongest in Northeast and among business, merchants, commercial farmers, professionals. The manors were large holdings with the work done by feudal peasant farmers. Heavy taxes were expected in cash from poor farmers. Sustainable intensification focuses on facilitating entrepreneurial farmers. The project progressed despite security problems with local farmers. He also raised pigs with the Future Farmers of America.