Some of the ways in which countries can be linked are: 

(1) The increased flow of goods among countries. By following the export and import practices. 

(2) The provision of services between countries (e.g., call centers, telemedicine).

(3) Initiating foreign investments by the companies of one country in other countries. 

(4) Movement of people into one country from another for working there or for study or any other purpose.

(5) Through the communication between different countries via internet (World Wide Web) 

(6) By promoting tourism.