Respuesta :
The islands that the Portugese had their sugar plantations were São Tomé and Santa Catarina. They were located off the modern day country of Brazil.
Answer: The correct answer is : The islands of Madeira and
Cape Verde
Explanation: Madeira is located on the northwest coast of Africa, in 1945 the Portuguese bring sugar cane to the island for production. The work was done by slaves. The Cape Verde Islands are located on the west coast of Africa, the Portuguese explored them in 1448.