No main purpose was fur trading
Answer:
I think it is c: southern and eastern Europe not sure tho :/
I think it is scale
Scale is the ground distance over map distance
<span>Advances that were made during the Han Dynasty:
Predict eclipses of the sun
Doctor's created new medicines
Chinese language grew from 3000 to 9000 characters
Paper was invented
Wheelbarrows and fine vases and china
Seismograph</span>