It is false that China developed new financial systems to increase trade with Arab merchants from the Abbasid Empire.
This is because China developed new financial systems due to the difficulties of carrying and transporting coins money.
Thereby, China created a credit "flying cash" system that allowed them to deposit and withdraw money in an identical version to the European banking method around the period of 14 century.
Hence, in this case, it is concluded that China only created a new financial system due to their coin system instead of the Abbasid Empire merchants.
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