Lots of trade was done through the silk road. this route went through east Asia and Western Europe
http://historyworld.net/wrldhis/PlainTextHistoriesResponsive.asp?ParagraphID=gpy#c1920
Perishable items are produced in the second ring of the von thunen model.
The final and perhaps the most famous of the Fourteen Points of the final treaty of Versailles done by <span>President Woodrow Wilson when the world war first finished in 1919 </span>called for global cooperation in order to secure true peace.This was supposed to be done with the creation of the league of the nations later called the UN
The answer is that it has allowed cultures to spread quickly and easily from one country to another.
Dry land is essential for creating a rice sawah.