Describe the impact of and long lasting effects of sugar plantations

The Portuguese empire in Brazil dependent on sugar production. Colonial life depended on the sugar mill (engenho). Engenho combined agricultural and industrial enterprises. Their was a lot of slavery in Brazil. Native peoples of Brazil were not cultivators; they resisted farm labor. Smallpox and measles reduced indigenous population. They imported African slaves for cane and sugar production after 1530. High death rate and low birth rate fed constant demand for more slaves.