Central Africa
Europe
Europe
Europe is a developed world; it's industrialized.
The first region to industrialize following the American Revolution was the state of Massachusetts. A textile mill was built and industrialized in this region.
Some of the least industrialized regions in the world are parts of sub-Saharan Africa, Central Asia, and parts of Oceania. These regions often have limited access to technology, infrastructure, and economic resources, which hinders industrial development.
The industrialized countries of the world have fewer cases of polio because there are many more vaccinated individuals.
I think it depends on the region of the United States. Industrialization is unavoidable but some places might be more rural than others.
northeast
Arguably Russia or Austria-Hungary. This is as simple as I can say it.
Kuwait
Kuwait