US President Donald Trump said he had signed letters to 12 countries outlining the various tariff levels they would face on goods they export to the United States, with the "take it or leave it" offers to be sent out on Monday.

The tariff deal between the United States and Vietnam sets the stage for a further climb in trade volumes between the countries and will also impact the energy generation mix that powers the fast-growing Vietnamese economy.

The Trump administration’s new trade deal with Vietnam aims to shut down any “backdoor” routes that allow Chinese goods to