Ahead of key trade talks in London, here are all the tariffs, counter-tariffs, dealmaking, and dealbreaking between the world’s two biggest economies.

A Chinese delegation led by Vice Premier He Lifeng held talks with U.S. Commerce Secretary Howard Lutnick, Treasury Secretary Scott Bessent and Trade Representative Jamieson Greer at Lancaster House, an ornate 200-year-old mansion near Buckingham Palace.