The short answer is: "to a great extent". The entire plan of the Federalists was to create a strong central government instead of having many autonomous states. Of course this occasionally went against national unity in the sense that some people were opposed to this plan, but in general they favored unity.
Answer:
They established many colonies around Europe and traded with a lot of the natives there who adopted their culture. And later with the great conquest of Alexander the Great who conquered Egypt, Anatolia, Mesopotamia, Persia and all the way to India. People here liked the Greek culture and way of governing so they adopted a lot of it. Later the Roman Empire also liked Greek culture so they mixed it with Roman culture and spread that throughout their empire.
It was one of the five pillars of Islam to travel to makka and do pilgrammige around the House of Allah ( God )
In the West, the completion of the transcontinental railroad greatly benefited the "farming industry," since this meant that farmers could sell their goods to relatively remote locations, which greatly expanded their potential market and increased revenue.