What differences existed in the operation and impact of the spice, silver, and fur trades?

Differences in the operation and impact of the spice, silver, and fur trades includes the fact that Fur has widespread ecological impact and its trade in North America was voluntarily and not forced labor. On the other hand silver brought the commercialization of china to a larger and great extent spice. The spice trade refers to the trade between historical civilizations in Asia, N, Africa and Europe.