East of South America in the Northern and Southern Hemisphere
The five regions of the United States are the Northeast,Southeast<span>, </span>Midwest<span>, West and the </span>Southwest<span>.</span>
The answer is B) Inca. Extensive road network across plains, deserts and mountains reaching all corners of the empire was one of the notable features of the Inca empire like terraced farming, canals, crop rotation and irrigation as agricultural innovations. It allowed smooth military operations, trading, and the use of runners or chasquis.
It is true, countries like Kosovo and Bosnia-Herzegovina can be put under this category despite not having a coastline on the Mediterranean.