Long-threatened tariffs from U.S. President Donald Trump have plunged the country into trade wars abroad — all while on-again, off-again new levies continue to escalate uncertainty. Trump launched a trade war during his first term as well,

After days of high-level negotiations, the trade standoff between the United States and China temporarily paused on Wednesday, with two of the world's largest economies slashing sweeping tariffs on each others' goods for 90 days.

Prior to President Trump's second term, there was little back and forth between the U.S. and China on tariffs. Here's what to know.