There would be two answers for this question. For the reasons that it could give people an idea of what cause the regional conflict taking place and it also influences the region's political and economic decisions. Furthermore, understanding the people on both of these regions would give us a keen understanding on how they are different from us.
The correct answer is - industry.
The developing countries are most often occupied with making the economies heavily focused on the industry, so the countries engage into a big industrialization process.
The industries are usually based around manufacturing of the natural resources that the country has, and most often those are the metal ores, the agricultural products, creating materials...
The developing countries usually have a relatively big economic growth, and that is due to the bad economic basis that they had as a starting point.
In the Middle East, you can expect mainly earthquakes to happen. Earthquakes also result in other natural disasters such as mudslides and floods. To prepare for earthquakes, you can pratice what to do during an actual earthquake such as if you're a farmer and outside, you would want to get to an open area to avoid powerlines, trees, or anything that could come down. To also prepare for or prevent a mudslide, plant and water diversion are good methods to stay safe. You can also make sure you plant appropriately on hills. For floods, you can always ask others about relocation routes and centres. On top of that, if possible, you can prepare a household flood plan.
Answer: migrantes estão no caminho e não se sabe do estatus deles {exilados, fugitivos etc etc} e nem sempre sabemos o objetivo, ponto final ou destino deles. Imigrantes são pessoas que acabaram de chegar no país que lhes recebeu (expressao "imigrantes" descreve a perspectiva dos habitantes do pais que lhes recebeu). Emigrantes sao aqueles que abandonam o país (expressao "emigrantes" descreve a perspectiva do habitantes do país de origem).
Explanation: As três palavras tem significado diferente e sempre requerem compreensao. Migrante está no caminho, imigrantes está chegando ou já chegou, emigrante está abandonando o pais de origem.
You added your question in the wrong category, this is actually algebra lol.