The correct answer to this open question is the following.
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These nations are in the early stages of industry and technology: developing nations.
Developing nations are underdeveloped countries that face political and economic problems that limit their opportunities to grow and prosper.
Some of them have corruption problems in the political elite with rulers and representatives that do not work for the benefit of people. Some other has limited industry so they only live by trading raw materials and natural resources.
Countries in Central America and South America are considered to be developing nations.