Terms : Hide Images
| 16049452298 | Australia and Oceana |  | 0 | |
| 16049452299 | Caribbean |  | 1 | |
| 16049452300 | Central Africa |  | 2 | |
| 16049452301 | Central America |  | 3 | |
| 16049452302 | Central Asia |  | 4 | |
| 16049452303 | East Africa |  | 5 | |
| 16049452304 | East Asia |  | 6 | |
| 16049452305 | Europe |  | 7 | |
| 16049452306 | Latin America |  | 8 | |
| 16049452307 | Mesoamerica |  | 9 | |
| 16049452308 | Middle East |  | 10 | |
| 16049452309 | North Africa |  | 11 | |
| 16049452310 | North America |  | 12 | |
| 16049452311 | South America |  | 13 | |
| 16049452312 | South Asia |  | 14 | |
| 16049452313 | Southern Africa |  | 15 | |
| 16049452314 | West Africa |  | 16 | |
| 16049452332 | Nile River | The world's longest river, which flows northward through East Africa into the Mediterranean Sea |  | 17 |
| 16049452333 | Tigris River and Euphrates River | Mesopotamia means: "land between rivers": |  | 18 |
| 16049452334 | Indus River | A river in South Asia that flows from the Himalayas to the Arabian Sea. |  | 19 |
| 16049452335 | Mississippi River | A major North American river and the chief river of the United States, longest river in the U.S. |  | 20 |
| 16049452336 | Amazon River | A major river in South America that flows through Peru, Bolivia, Venezuela, Colombia, Ecuador and Brazil. |  | 21 |
| 16049452337 | Rio Grande River | Large river that forms a border between the US and Mexico |  | 22 |
| 16049452338 | Yangtze River | Longest major river in China |  | 23 |
| 16049452339 | Huang He River | Yellow River |  | 24 |
| 16049452315 | Australia and Oceana | | 25 | |
| 16049452316 | Caribbean | | 26 | |
| 16049452317 | Central Africa | | 27 | |
| 16049452318 | Central America | | 28 | |
| 16049452319 | Central Asia | | 29 | |
| 16049452320 | East Africa | | 30 | |
| 16049452321 | East Asia | | 31 | |
| 16049452322 | Europe | | 32 | |
| 16049452323 | Latin America | | 33 | |
| 16049452324 | Mesoamerica | | 34 | |
| 16049452325 | Middle East | | 35 | |
| 16049452326 | North Africa | | 36 | |
| 16049452327 | South America | | 37 | |
| 16049452328 | South Asia | | 38 | |
| 16049452329 | Southern Africa | | 39 | |
| 16049452330 | West Africa | | 40 | |
| 16049452340 | Nile River | The world's longest river, which flows northward through East Africa into the Mediterranean Sea | | 41 |
| 16049452341 | Tigris River and Euphrates River | Mesopotamia means: "land between rivers": | | 42 |
| 16049452342 | Indus River | A river in South Asia that flows from the Himalayas to the Arabian Sea. | | 43 |
| 16049452343 | Mississippi River | A major North American river and the chief river of the United States, longest river in the U.S. | | 44 |
| 16049452344 | Amazon River | A major river in South America that flows through Peru, Bolivia, Venezuela, Colombia, Ecuador and Brazil. | | 45 |
| 16049452345 | Rio Grande River | Large river that forms a border between the US and Mexico | | 46 |
| 16049452346 | Yangtze River | Longest major river in China | | 47 |
| 16049452347 | Huang He River | Yellow River | | 48 |
| 16049452348 | Manchu Empire | Northeast Asian peoples who defeated the Ming Dynasty and founded the Qing Dynasty in 1644, which was the last of China's imperial dynasties. |  | 49 |
| 16049452349 | Mughal Empire | Muslim state (1526-1857) exercising dominion over most of India in the sixteenth and seventeenth centuries. Empire which greatly increased in size under the rule of Babur and his grandson Akbar. |  | 50 |
| 16049452350 | Ottoman Empire | Islamic state founded by Osman in northwestern Anatolia. After the fall of the Byzantine Empire, the Empire was based in Istanbul (formerly Constantinople) from 1453-1922. It encompassed lands in the Middle East, North Africa, the Caucasus, and eastern Europe. |  | 51 |
| 16049452351 | Safavid Empire | A Shi'ite Muslim dynasty that ruled in Persia (Iran and parts of Iraq) from the 16th-18th centuries that had a mixed culture of the Persians, Ottomans and Arabs. |  | 52 |
| 16049452352 | Songhai Empire | West African empire that conquered Mali and controlled trade from the into the 16th century |  | 53 |
| 16049452353 | Russian Empire | Historical empire founded on November 2 (October 22, Old Style), 1721, when the Russian Senate conferred the title of emperor (imperator) of all the Russians upon Peter I. The abdication of Nicholas II on March 15, 1917, marked the end of the empire and its ruling Romanov dynasty. |  | 54 |
