What mountain range runs north to south in south america

What specific science discipline do most social engineering attacks rely on when they are being used?

Que actos del pueblo simbolizaron el inicio de la revolucion y la caida de la monarquia?

How did the mountains on the oregon trail influence the timing of pioneers’ travels? a.) the pioneers wanted to avoid times when there was snow in the mountains. the pioneers wanted to spend as much time as possible enjoying the mountain scenery. b.) the pioneers crossed the mountains in late fall when the trees were bare and the views were good. c.) the pioneers were rugged people who were not impacted by the terrain they crossed at any time.