Question: Which president was present for the Mexican Civil War who originated from Oaxaca?
Sentence (from "Agnes Salm-Salm"): Agnes Salm-Salm (December 25, 1844 – December 21, 1912) was the American wife of Prince Felix zu Salm-Salm, a Prussian mercenary beside whom she played a role in the American Civil War, the Mexican Civil War between President Benito Juárez and the Austrian archduke Maximilian I of Mexico, and the Franco-Prussian War.
Relevant evidence: Yes