QSICISL HD Car Mobile TV Tuner ISDB-T Digital 4 Video Output TV Receiver Box with Antenna for Brazil Chile Argentina Venezuela Peru South America

this is South America it consists of 12 countries and the forests and mountains which are creating natural barriers and shaped the Continental politics this is a good example of the relation between geography and politics the Amazon forests as well as the Andes Mountains are the factors that prevent the emergence of a dominant power in the region no modern army can cross either the Andes or the Amazons they are impassable for the modern land forces and crossing via the air would be too expensive this is partially the reason why the Portuguese dominated the Brazil while the Spanish were mostly ruling the western and northern parts of the continent an interesting case in study is Brazil which is currently the ninth largest economy in the world and constitutes a total of 50 percent of the South America's population Brazil should be dominating the continent however the reason it doesn't is