The rapid-fire shots of tariffs and import curbs hearken back to Trump’s first term in office, when the U.S. and China engaged in a trade war that spanned most of Trump’s first four years in office and was continued to a certain extent under his successor, Joe Biden.

Sen. Elizabeth Warren (D-Mass.) expressed concern that President Trump is “stumbling into a trade war” by imposing additional tariffs on China and accused him of holding up “critical” bipartisan