What is the process called by which the economies and cultures of many nations become integrated and interrelated? ]?

The process that contributed to this is called globalization. 
The globalization is the process by which businesses or other organizations develop international influence or start operating on an international scale. But this process can not only be seen from an economical point of view, because it allowed to people to get better known with the cultures of other people in other parts of the world, the communication has significantly increased, as well as the movement/migration of people throughout the globe.