Answer:
Virus's,
there would be stealing too
Explanation: The silk road was one of the largest roads built for trading across countries and as they traded the virus's were spreading there was also I really bad type of virus's but I forgot the name. I think you should research about it to get more points and i think this is history related not geography. Enjoy.
I'd say false. Just because the side lengths are the same doesn't mean the angles are too.
B. It encouraged exploration for a new trade route
The oldest North American mountain chain is the Appalachian Mountains.
Hope this Helps!