First of all, It think you mean fastest, but... Probably in the most populated areas in the continent.
ww2
Blueberries grow all over the northeast, and there are also species that grow in the south. For that matter, they also grow in Turkey, Europe, South America, Australia, New Zealand, and South America.
brazilia
yes
Because climatic conditions in South America are congenial for tomato
Yams grow in South America, Africa, Asia and Oceania.
It grows in most of south america.
brazil
yes.
They grow on a plant in Africa. They grow in bunches on trees in places like South America.
Where Bananas Grow Bananas grow in South America, Florida and places that are warm.
I believe most of the population of South America is located at or near the coastal regions (seacoast primarily) in larger cities and towns, some populations live along large rivers and in high mountains, but these are not the primary population concentrations of South America. I believe most tribal populations will contribute to the strong tendency of statistical migration to the coastal cities, and will not grow to large sizes in the interior regions, in the present era and foreseeable future.