The National Revolutionary Party embarked in a process of economic and socio-political reform focused on the substitution of imports and low inflation, and an inward-looking strategy. This boosting of the Mexican economy was started by Lazaro Cárdenas (1934-1940) and led to what was known as the "Mexican Miracle" from the 1940s until the 1980s.
Among these strategies, the main three points were
- thenationalization of railroads and petroleum industries.
- new welfare and primary education programs for the poor.
- redistribution and ownership of the land to the peasentry.
I believe they’re referring to the Tuskegee Airmen. Here a link to an article about them https://www.google.com/amp/s/www.history.com/.amp/topics/world-war-ii/tuskegee-airmen