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Across 1. A payment from a conquered group collected by the conquering ruler. 4. Major city located in West Africa 5. The rivers in this area helped make the land... 6. Another word for tropical grasslands 8. The process of making iron tools was known as... 9. Two things they mined for: iron and... 10. How did villages become wealthy? By taxing this... 11. This will enable people to travel across the desert more successfully and safely

Down 2. With iron tools, farmers cleared land and grew crops more... 3. In the earliest communities, extended families simply worked together to... 6. Major geographical feature separating West Africa from the north 7. Along with the Niger River, this is also a major river in West Africa 8. Desert with a little bit of vegetation (scrub)