A permit issued by the United States government allowing energy giant Chevron Corp. to pump and export Venezuelan oil will be terminated this week.

Maria Corina Machado, the most prominent figure in the country’s opposition movement, argued the measures are needed to stop government repression.

U.S. President Donald Trump's cancellation of licenses for foreign oil companies to operate in sanctioned Venezuela will reduce the dollars on offer in the country's exchange market, stoking depreciation of the local bolivar currency and prices,