The isthmus of tehuantepec separates the gulf of mexico and the blank

The Isthmus of Tehuantepec is an isthmus in Mexico. It represents the shortest distance between the Gulf of Mexico and the Pacific Ocean. Prior to the opening of the Panama Canal, it was a major shipping route known simply as the Tehuantepec Route.

Answerstratovolcanoes///near or in the ring of fire;