President Donald Trump is blurring the lines between immigration and trade by continuing to threaten Mexico with tariffs for its border security policies. Ag sectors in both countries fear the lingering tensions may weigh heavily on their businesses as well as the fate of the U.S.-Mexico-Canada Agreement.

Some of Mexico’s highest-ranking government officials will present a proposal to the White House Wednesday on controlling border security in an effort to stop the Trump administration from turning an immigration issue into a trade war.