What caused musa to destabilize the world's money supply

Despite his nature of giving, Musa's massive spending and generous donations created a massive ten year gold recession. In the cities of Cairo, Medina, and Mecca, the sudden influx of gold devalued the metal significantly. Prices of goods and wares became greatly inflated.
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Answer the collision of tectonic plates;

Idon't  see a map but it goes to d.christianity with about 2.1 followers today