Back then if you wanted silk you had to travel to that country to get that item or you would trade on the silk road. Globalization also influences religion. Christianity is #1 most practiced religion. Infrastructure, need to participate in the economy. You need a cell tower and electricity and money to buy the phones. Languages are different all of the world. People in North Korea are like brainwashed. They cant go online they like what their government says to like and what the government likes.