Regional sanctions are unlikely, but the United States may cut its bilateral aid, and block new loans from the World Bank and others.

ECONOMIST: Peru

These include America's embargo on backing loans from the World Bank, which would impose higher environmental and other standards on big infrastructure projects such as Myitsone.

ECONOMIST: Myanmar

The policy - modified several times over the decades - bans trade, tourism, investment and even loans from organisations like the World Bank and IMF.

BBC: Cuban embargo at 50: US cars with Soviet parts

In December, CapexMD agreed to start making loans to patients buying eggs from the World Egg Bank in Phoenix, which previously offered financing through Capital One.

WSJ: In Vitro a Fertile Niche for Lenders

Similarly, there was little analysis of what overall impact the World Bank's portfolio of loans that might cover areas ranging from banking to the environment would actually have on a borrowing country's poor people.

ECONOMIST: Development finance: Old battle; new strategy | The