The United States was a neutral country from the beginning of World War I and a victorious country in World War II, and gained a lot of wealth from the victory of the war. Gold and silver have accumulated, ranking first in the world.
Hitler in Germany launched a war that swept the world, and the accumulation of gold and silver was huge.
But the result is that the US gold reserves rank first in the world: 1 US 8 135.5 tons of gold accounts for 75.9% of foreign exchange reserves.
Germany's 3,422.5 tons of gold accounts for 62.9% of foreign exchange reserves.
No reason exists objectively.