Numerous countries around the world are facing the prospect of new tariffs on their exports to the United States on Aug. 7 because they haven’t yet reached a trade deal with the Trump administration.

For decades, U.S. and Mexican tomato operations worked under a trade agreement that allowed for relatively easy importation of Mexican tomatoes into U.S. markets. The deal was meant to protect American tomato farmers, but many believe the old trade agreement didn’t do enough.

Chinese and American trade negotiators concluded their two-day meeting in Stockholm without a clear path forward to avert tariffs from skyrocketing back to ultra-high levels that formed an effective blockade on trade between the world’s two largest economies.