The ideaTheory
Look at the back of your phone
The glass came from one country. The chip from another. The battery from a third. It was screwed together in a fourth and sold to you in a fifth.
Nobody planned that. It happened because goods, money, people and ideas got easier to move across borders than they used to be.
That is globalization. The rest of this chapter is the vocabulary for describing it precisely enough to write in an exam.