In the case of Shell. specifically, all they could take is that companies assets which are subject to the jurisdiction of the US (refineries, pipelines, terminals, production fields, etc.) Royal Dutch Shell would continue to operate, as a company all of their assets located internationally. They then could "fire" all US employee's w/o compensation, except as may be allowed under Dutch law.
Maxine Waters is an idiot who has not thought this through.
Inflation tops 22 percent in Venezuela, highest in Latin America January 2, 2008
How’s that nationalization of oil working out Chavez? All your wealth is going down the drain...