AHC: wank the Radhanites

The Radhanites were jewish merchants in the early middle ages, whose trade network stretched from france to Tang-era china. However, the collapse of the Tang dynasty and the khazars caused a major disruption of trade that the Radhanites would not survive.

Your goal is to prevent the decline and fall of the Radhanite trading network, and to make it - and the Radhanite merchants themselves - more prosperous and powerful. How is this possible? could powerful Radhanite merchants leverage their power in trade to improve the status of jews in the middle east and Europe? Could there be Radhanite merchant states in central asia and eastern europe? And finally, while very far fetched, could Radhanite traders convert the mongols and other steppe peoples to judaism?
 
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