Answer:
Requires a difficult set of negotiations: different income levels and set of priorities.
Explanation:
To bring nations of the world to act together in addressing environmental issues that spill over national borders requires difficult set of negotiations between the countries: different income levels and set of priorities.
For example high income countries are the primary producers of greenhouse gases, they might sign agreement with low income countries to reduce their greenhouse effect because most low income countries are still battling of improving food production, healthcare system, and many more so they are not particular about technologies to cause pollution and greenhouse effects. The high income countries can pay low income countries not to produce greenhouse gases which is not their priorities at the moments. Their major priories is the provision of basic necessities of life
The geography of Southwest Asia opens up a space for a good connection between the countries and thus to create similar, if not same, cultural traits because of the absence of natural blockades between them, so the communication is easily manageable. Still, the region is dominated by deserts, so even though there's no big mountain ranges between them, it makes it difficult, apart from the coastal areas. Now even though the open terrain usually contributes to good relations, it occasionally causes problems as well, and this region is a perfect example of that, because lots of the countries are in very bad relations.
Answer:
The Central Lowland is a flat-lying regionlocated between the Appalachian Mountains to the east and the GreatPlains to the west (Figure 4.5). It extends from the Canadian Shield in the north to the Atlantic Coastal Plain in the south and is part of the North American craton (the older, stable part of the continent).
East because it is going across the Atlantic ocean
