They need to get ahold of the best workers, no matter where they come from. The skilled workers from poor countries sure want some improvements in their living conditions and working abroad sounds like a reasonable option for them.
some parts are rich and some are poor. In global terms, the USA is a very rich country, perhaps the richest, depending on the criteria you use.
Yes. * Some rich people became poor, but there was still a group of people who were rich and some who were poor * So, long answer short - yes
Some countries are richer than others.
There are poor people in pretty much every country. Some countries develop extensive welfare programs to fend for the poor, while other countries leave the poor to themselves.
because the rich country is a developed country, has better health care/education/communication etc. and has better per capita income but the poor countries aren't.
The same reason why some Americans are rich and others aren't
Not as much as people living in rich countries. You question is too general to provide a specific answer. For instance in poor countries there are always some very very rich people.
There is a wide range of wealth among Arab populations, with some individuals and countries being very rich while others are poor. Economic conditions vary based on factors such as location, government policies, and natural resources. It is not accurate to make a blanket statement about all Arabs being either rich or poor.
Africa is not a country. Africa is a continent. There are many countries in Africa. Most of the countries in Africa are poor by Western standards.
I personally disagree. I know that most Asian countries are poor, but not all are. In-fact, a few Asian countries are some of the wealthiest and most successful countries in the world. That would include Japan, South Korea, China, Singapore, Saudi Arabia (due to its major oil supply). Asia is rich and Poor. Asia has so much variety. Some countries are poor. Others are Very rich. I just love Asia because of how vast it is and how much variety it has, such as cultural difference and lifestyle.
lack of resources
The native Americans included both the rich and the poor.
Because some poor countries don't have safe buildings whereas rich countries do.
Asia is some what poor and and a little rich
Some countries are perpetually rich. This can be a variety of reasons, mainly if they have oil on their land. Another reason is because that country makes something others want.
Well, Some mesopotamian's had more power's than the others, but no, no one was richer or more poor than the other's