After the Civil War, a handful of former Confederate leaders joined forces with the Mexican emperor Maximilian von Hapsburg to colonize Mexico with former American slaveholders. Their plan was to develop commercial agriculture in the Mexican state of Coahuila under the guidance of former slaveholders with former slaves providing the bulk of the labor force. By developing these new centers of agricultural production and commercial exchange, the Mexican government hoped to open up new markets and, by extending the few already-existing railroads in the region, also spur further development. The...