China's first quarter economic growth data is due as a tit-for-tat trade war with US President Donald Trump escalates China, the world's second biggest economy, is bracing for the full impact of the levies as it continues to struggle with slow growth At a glance, here's what you need to know about the tariffs that are rocking the global economy:

"Russia has been excluded from the tariff because it sells almost no goods which could be made in the United States," Christopher Weafer, CEO of Russia-focused consulting firm Macro-Advisory, told Newsweek. "But it still provides things the U.S. needs—titanium, nuclear fuel, fertilizer, and other materials such as platinum."