2.3.I.A: Many factors, including the climate and location of the routes, the typical trade goods, and the ethnicity of people involved, shaped the distinct features of a variety of trade routes.

3.1.I.A: Existing trade routes flourished and promoted the growth of powerful new trading cities

3.1.I.C: The growth of interregional trade in luxury goods was encouraged by significant innovations in previously existing transportation and commercial technologies, including more sophisticated caravan organization, use of the compass, astrolabe, and large ship designs in sea travel; and new forms of credit and monetization.

Key concepts