Now I Get It: The looming trade war between U.S. and China: How we got here

In an ongoing trade conflict between the U.S. and China, President Trump doubled down and proposed tariffs on $100 billion worth of goods on Thursday. On Friday, China hit back and said it will “counterattack with great strength,” and if Trump follows through on his latest threat, China says negotiations will be impossible. As a trade war looms, how did we get here in the first place?