Terms : Hide Images
| 2821666303 | Silk Road | Caravan routes connecting China and the Middle East across Central Asia and Iran | 0 | |
| 2821666304 | Parthians | Iranian ruling dynasty between ca. 250 B.C.E and 226 B.C.E | 1 | |
| 2821666884 | stirrup | Device for securing a horseman's feet, enabling him to wield weapons more effectively. First evidence of the use of stirrups was among the Kushan people of northern Afghanistan in approximately the first century C.E | 2 | |
| 2821667286 | Indian Ocean Maritime System | In premodern times, a network of seaports, trade routes and maritime culture linking countries on the rim of the Indian Ocean from Africa to Indonesia. | 3 | |
| 2821667743 | trans-Saharan caravan routes | Trading network linking North Africa with sub-Saharan Africa across the Sahara. | 4 | |
| 2821667744 | Sahel | Belt south of the Sahara; literally "coastland" in Arabic. | 5 | |
| 2821668429 | sub-Saharan Africa | Portion of the African continent lying south of the Sahara. | 6 | |
| 2821668430 | steppe | An ecological region of grass- and shrub-covered plains that is treeless and too arid for agriculture | 7 | |
| 2821668709 | savanna | Tropical or subtropical grassland, either treeless or with occasional clumps of trees. Most extensive in sub-Saharan Africa but also present in South America. | 8 | |
| 2821668710 | tropical rain forest | High precipitation forest zones of the Americas, Africa, and Asian lying between the Tropic of Cancer and the Tropic of Capricorn. | 9 | |
| 2821669406 | "great traditions" | Historians' term for a literate, well institutionalized complex of religious and social beliefs and practices adhered to by diverse societies over a broad geographical area. | 10 | |
| 2821669407 | "small traditions" | Historians' term for a localized usually nonliterate, set of customs and beliefs adhered to by a single society, often in conjunction with a "great tradition." | 11 | |
| 2821669725 | Bantu | Collective name of a large group of sub-Saharan African languages and of the peoples speaking these languages. | 12 | |
| 2821669726 | Armenia | One of the earliest Christian kingdoms, situated in eastern Anatolia and the western Caucasus and occupied by speakers of the Armenian language. | 13 | |
| 2821669727 | Ethiopia | East African high-land nation lying east of the Nile River. | 14 |
