which kingdom controlled caravan trade routes in A.D.900?

http://en.wikipedia.org/wiki/Trans-Saharan_trade

To determine which kingdom controlled caravan trade routes in A.D. 900, you could start by conducting historical research using various sources such as books, scholarly articles, and online databases. Here's a step-by-step process to find the answer:

1. Begin by searching for the key terms "caravan trade routes" and "kingdoms" in the context of A.D. 900 using a trusted search engine, library catalog, or academic database.

2. Look for relevant historical sources that discuss the political and economic landscape of that time period, particularly focusing on trade routes and their control.

3. Cross-reference multiple sources to ensure accuracy and reliability. Check the credibility of the authors and the publication dates to ensure that the information is up-to-date and peer-reviewed.

4. Pay attention to primary sources such as ancient records, travelogues, and inscriptions from the time period, as they may provide direct evidence of the kingdom controlling the caravan trade routes.

5. Some potential kingdoms that may have controlled caravan trade routes in A.D. 900 include the Abbasid Caliphate, Tang Dynasty in China, Byzantine Empire, or the various Islamic states of Central Asia such as the Samanid Empire or the Karakhanids. However, the specific kingdom controlling the caravan trade routes might vary depending on the region. It's essential to be region-specific in your research.

Remember, historical research requires thorough investigation and analysis, so be prepared to consult multiple sources and consider different perspectives to arrive at a well-supported conclusion.