Answer:traditional subsistence agriculture has turned into industrial monoculture farming .among the negative effects are deforestation,soil degradation due to the use of agricultural lands for commercial crops with no alimentary value such as rubber and abusive private appropriation of land buy industrial agricultural corporations among the positive effects are because of their logistical, financial and educational support of poor farmers, later have been able to take advantage of the rubber boom boomand prosper, leaving poverty behind
