Mexican Revolution so short a time would not occur with volunteers, and the army resorted to the "leva", forced conscription. The revolutionary forces had no problem with voluntary recruitment. Most Mexican men avoided government conscription at all cost and the ones dragooned into the forces were sent to areas far away from home and were reluctant to fight. Conscripts deserted, mutinied, and attacked and murdered their officers. In April 1914, U.S. opposition to Huerta culminated in the seizure and occupation of the port of Veracruz by U.S. marines and sailors. Initially intended, in part, to prevent a German merchant vessel from delivering
The Rebel Flesh Earth in the 22nd century, which has been converted into a factory to pump acid off the island. To prevent death from the acid, the workers have utilized a "programmable matter" called the Flesh, which creates a doppelgänger (called "Ganger") controlled by the worker. As the solar storm hits, the Gangers become independent, and the Doctor, Amy and Rory must work to prevent the two groups from breaking into a war. Showrunner Steven Moffat specifically asked Graham to write the episodes about "avatars that rebel", although the Flesh and the monastery were Graham's original ideas. The episode was filmed in