A nation has diplomats, and is comprised of states. States comprise of delegates, and does not comprise of nations.
Explanation:
The difference between a nation and a state are that a nation has to make deals and treaties with foreign countries. Meanwhile, states have to make deals and treaties with other states. Also, a nation is made up of smaller regions, which are states. States are not made of of nations. These are the major differences. Hope this helps!
A state is a territory with its own institutions and populations. ... A nation is a large group of people who inhabit a specific territory and are connected by history, culture, or another commonality. A nation-state is a cultural group (a nation) that is also a state (and may, in addition, be a sovereign state)
2. The term "Middle East" originated from the same European perspective that described Eastern Asia as "the Far East." The Middle East denotes the transcontinental area between Western Asia and Egypt.
Not 100% sure but I think its the Barail Range. This would affect them by the mountain acting almost like a barrier between them. So they didn't have much interaction.