U.S. President Donald Trump signed an executive order prohibiting dealings in certain Venezuelan public sector debt on to pressure the government of President Nicolas Maduro to halt its “tyranny,” the White House the White house said on Friday. The order prohibits dealings in new debt and equity issued by the Venezuelan government and by its state oil company, PDVSA. But the White House said the order allows Treasury to provide licenses for other commercial and humanitarian transaction, including financing for commercial trade, petroleum exports and imports and transactions that only involve PDVSA’s U.S. unit, Citgo.