Which of the Following Is a Reason Why Homesteaders' Attempts

Multiple Choice

Which of the following is a reason why homesteaders' attempts to farm and ranch in the Amazon rainforest ultimately were unsuccessful?

A) Rainforest soils were poor and easily eroded, and land titles were not secure.
B) Excessive use of pesticides and herbicides poisoned the land.
C) Government geologists supplanted the farmers searching for sources of fossil fuels.
D) Growing "green" fuels, such as sugarcane biomass, was more lucrative but not suited to the rainforest ecosystem.