It prevented merchants from freely trading goods in foreign markets. apex//
Relieve the symptom of poverty, but to cure it and, above all, to prevent it
Incan empire was the largest empire sometime in 13th century. It covers almost 2,000,000 square km of land. At northwest of Peru, more 600 km is where Ecuador lies. Ecuador is accessed through crossing the Andes Mountain and Amazon jungle. At the North East, they conquered parts of Brazil by traversing the same mountain and jungle. And more than 400 km northeast of Peru, they travel through the coastal desert and Andes mountain and conquered Chile.
The answer is the last one
