It occurs at the equator mostly
The drainage in which has the capability of separating drainage
basins in which are emptied in the bodies of water that surrounds a continent
is known to be the continental divides. The continental divides separates the
rivers in north America in which are flowing in the Pacific Ocean and as well
as the Atlantic Ocean.
Colonists were substantially dependent <span>on autochthonous labour</span> during the <span>embryonic </span>phases of settlement to conserve the subsistence economy, and natives were often seized by expeditions called bandeiras, originating in São Paulo.
Slave labour was the driving might behind the maturation of the sugar economy in Brazil, and sugar was the key export of the colony from 1600-1650.
Gold and diamond deposits were uncovered in Brazil in 1690, which triggered an expansion in the importation of African slaves to power this newly profitable market. Transportation systems were advanced for the mining infrastructure, and population improved from immigrants seeking to take part in gold and diamond mining.
I hope this answered your question, and my apologies if this answer is wrong. Good luck on your quiz or homework.