While the lowering of trade barriers made globalization of markets and production a theoretical possibility, what has made it a tangible reality?

The advances in communication, information processing, and transportation technologies.

Explanation:

Globalisation is more than just lowering of barriers between countries. The ease at which information is exchanged and transportation between countries has made globalisation a tangible reality.

The internet is at forefront of information exchange, and innovative ways are constantly being developed to process information. Technology companies are producing more software that processes information faster and manipulates it to meet conser use.

Transportation between countries is growing worldwide, bringing ease for movement of goods and services between nations.