The Centrality of Latin America in the New Deal

The new deal was under siege really early on. But opening up ladin american markets allowed roosevelt to build ties with what became a modernizing, technologically intensive, labor intensive, corporate block around pharmacuticles and energy that becomes the corporate ballast of the new deal coalition. The mexican revolution is its own story, which don't have time to in here,. but it does stabilize and manage to pass the first social democratic constitution in the world. And then why, or how did the revolution force this new settlement with the us?