True reasons of the world economic crisis

True reasons of the world economic crisis

Until 1971 dollar was tied to gold content, so the US currency was supported with gold reserves of the USA. However since 1971 dollar and gold correlation was canceled and dollars were produced in unlimited amount. Dollar purchasing power was ensured not only with the USA GDP (as it usually happens) but also with the GDP of other countries in the world.

It is ok, but the states which indirectly supported the power of dollar with their economies never had control on volume of dollar emission. The USA government doesn