The correct answer is this one:
<span>D. specialization and trade.
Unequal specialization of resources would lead the region that has some resource to specialize in it, and to trade this resource for other goods (I am re-phrasing what the paragraph said).
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They live on a narrow stretch of land between the Brazilian Highlands and the Atlantic Ocean. ^^
Answer:
The last one,Hamamoto's work offers opportunities to people of all abilities.
