U.S. President Donald Trump's latest wave of tariffs on exports from dozens of trading partners sent global stock markets tumbling on Friday and countries and companies scrambling to seek ways to strike better deals.

World shares retreated Friday after President Donald Trump issued a new set of import duties that will apply to dozens of countries as of Aug. 7.

Here’s a breakdown of all the U.S. trade levies on countries and sectors—and the turbulent timeline to get there.