Per Kyunghyang, the couple ended the tour in Argentina; the last visit by a Korean president was in 2004.

The trip carried a pragmatic tone, aiming to widen sourcing of oil, lithium and grain beyond a Middle East-heavy structure toward South America. The two sides agreed to expand cooperation in energy, minerals and agriculture.

In step with the summitry, Korean firms are said to be weighing lithium development and diversified grain imports. South America looms larger in commodity supply chains.

Yet the region's political and currency swings remain a constant for investors, and turning goodwill into contracted volumes will take time, some caution.

The Bridge Times frames resource diplomacy not as one government's trophy but as a structural shift toward diversified sourcing, with its attendant risks.