What areas of the country saw dramatic growth during World War 2?

During World War II, areas such as the West Coast, particularly California, experienced dramatic growth due to the expansion of defense industries and military installations. Cities like Los Angeles and San Francisco became hubs for aircraft manufacturing and shipbuilding. Additionally, the South, especially cities like Atlanta and New Orleans, saw increased industrialization and population growth as factories moved south for labor and resources. The Midwest also experienced growth, particularly in cities like Detroit, which became known as the "Arsenal of Democracy" for its automobile manufacturing converted to war production.