Interdependence-nations relying on each other, global just means world wide. A lot of people depend on other people for imports of food and other stuff, like how West Berlin depended on the Air Lift back in the Cold War.
<u>If we are giving respect to a worker, it means we are giving respect to ourselves.</u><u>If we are giving respect to a laborer, it means that he will also show respect to us.</u>
The silk road was one of the only ways to get goods from other countries in that time period. People traded food, spices, skills, etc. With the trade, countries could try new cultures leading to the spread of cultures.