The European Union braced on Friday to receive a letter from U.S. President Donald Trump, outlining planned duties on his largest trade and investment partner after a broadening of his tariff war in recent days.

The European Union is awaiting clarity on the approach that President Donald Trump wants to take with respect to tariffs. According to a Reuters report, the EU is bracing for a tariff letter from the White House on Friday,

Shelving the plan could help EU persuade the U.S. to give it a more favorable trade deal and comes just two months after the Commission suggested it.

In a significant shift toward Ukraine, Trump announces a plan to send advanced weaponry including Patriot systems, and threatens 100% tariffs if Russia can’t reach a peace deal soon.