Trade

"A more insular United States may push Latin American countries to seek greater trade with each other," points out AS/COA's Brian Winter.

Negotiators were in Buenos Aires through March 24 to advance a deal 18 years in the making.

The two regions trade more than $230 billion each year—a figure that could go up if the United States takes a protectionist turn.

Bilateral relations were rocky during the prior administrations, and the Argentine president seeks to reset the tone during a three-day official visit.