Vasco núñez de balboa is known for his exploration of the isthmus of panama in the early 1500s. which of these obstacles did balboa face? a) tornadoes b) hurricanes c) ice storms d) thick jungles

Vasco Núñez de Balboa is known for his exploration of the Isthmus of Panama in the early 1500s.  He faced many obstacles, specifically,

D) thick jungles.  

Vasco Núñez de Balboa was trying to find, what is now called the Pacific Ocean, mainly because he believed he could find gold in this area.  He began his journey by crossing the Isthmus of Panama, he had to cross the thick jungles and climb mountain peaks to reach the Pacific Ocean.  He was the first European explorer to see the Pacific Ocean.  

the qing dynasty placed strict limits on foreign merchants' ability to trade in china.

answer; /// the correct answer is evidence of the olmec civilization has been found in southern american in a hot steamy forest, archaeologists have found earthen artifacts at several sites that were evidence of the olmec civilization. these   artifacts were mounds,courtyards and pyramids build of stones, also on top of the mounds were many monuments made of stone, some of these stone structures are very large, they weigh as much as 44