Central Asia today is geographically isolated. Historically though the region served as a major thoroughfare for traders moving their goods from various parts of Asia, Europe and the Middle East.
What event led to the decline of this region’s importance as a trade route?

answer; native americans who sometimes actively impeded railroad construction; physical obstacles like rivers and canyons, and

for e2020. the answer would be some directions from the mountain range so we can find mt. whitney. to locate which direction is north, you should use a   compass. this would not only find mt. whitney, but also becuase of this long paragraph you would get points because it's not like anyone actually reads your work becuase once they read the first sentence it sounds dumb enough to not read becuase i'm not good at answering this but the answer is compass for your benefit.

for e2020 ; -;

the answer for this question on edg. is 8/5