What was the principal source of Portuguese wealth in its colony of Brazil?

sea trade

Explanation:

The control of sea trade, the chief source of Portuguese wealth in the East, was assured by the defeat of Muslim naval forces off Diu in 1509.

Portugal's main natural resources include fish, forests (cork), iron ore, copper, zinc, tin, tungsten, silver, gold, uranium, marble, clay, gypsum, salt, arable land and hydropower.

the answer is "d"

(context) if you were to travel to the middle east and go into peoples homes there would be like 4 generations in there

(more context) i'm pretty sure in the middle east they take loyalty and family bonds very serious

(last bit of context) i'm also positive that extended families are most commonly found in urban areas