Terms : Hide Images
| 19652642 | Silk Road | Caravan routes connecting China and the Middle East across Central Asia and Iran. | 0 | |
| 19652643 | Parthians | Iranian ruling dynasty between ca. 250 B.C.E. and 226 C.E. | 1 | |
| 19652644 | Sasanid Empire | Iranian people, established ca. 224 in Mesopotamia. The emperors established Zoroastrianism as the state religion. | 2 | |
| 19652645 | stirrup | Device for securing a horseman's feet, enabling him to wield weapons more effectively. | 3 | |
| 19652646 | 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. | 4 | |
| 19652647 | trans-Saharan caravan routes | Trading network linking North Africa with sub-Saharan Africa across the Sahara. | 5 | |
| 19652648 | Sahel | Belt south of the Sahara. | 6 | |
| 19652649 | sub-Saharan Africa | Portion of the African continent lying south of the Sahara. | 7 | |
| 19652650 | steppes | Treeless plains, especially the high, flat expenses of northern Eurasia, which usually have little rain and are coveredwith coarse grass. | 8 | |
| 19652651 | savanna | Tropical or subtropical grassland, either treeless or with occasional clumps of trees. | 9 | |
| 19652652 | tropical rain forest | High-precipitation forest zones of the Americas, Africa, and Asia lying between the Tropic of Cancer and the Tropic of Capricorn. | 10 | |
| 19652653 | "great traditions" | Term for a literate, well-institutionalized complex of religious and social beliefs and practices adhered to by diverse socities over a broad geographical area. | 11 | |
| 19652654 | "small traditions" | Term for a localized, usually nonliterate, set of customs and beliefs adhered to by a single society, often in conjunction with a "great tradition". | 12 | |
| 19652655 | Bantu | Collective name of a large group of sub-Saharan African languages and of the peoples speaking these languages. | 13 | |
| 19652656 | Armenia | One of the earliest Christian kingdoms, situated in eastern Anatolia and the western Caucasus and occupied by speakers of the Armenian language. | 14 | |
| 19652657 | Ethiopia | East African highland nation lying east of the Nile River. | 15 |
