President Trump on Monday sent notice to several countries about higher tariffs if they don’t make trade deals with the US, including to a number of Asian countries.

Its new deal with Vietnam and its fresh tariff threats issued to many other countries seem designed to reduce China’s role in their supply chain. Countries that had hoped to stay out of the new cold war now fear they are being forced to pick a side. To appease the world’s biggest market, they must anger the world’s biggest trader.

The average U.S. tariff on Chinese exports now stands at 51.1%, while the average Chinese duty on U.S. goods is 32.6%, with both sides covering all their trade, the Peterson Institute for International Economics said.

U.S. President Donald Trump's tariff decisions since he took office on January 20 have shocked financial markets and sent a wave of uncertainty through the global economy. Here is a timeline of the major developments: February 1 - Trump imposes 25% tariffs on Mexican and most Canadian imports and 10% on goods from China,