According to the text and the lecture video, what is the main difference between "global business" and "international business?" $[$OBJ$.1\mathrm{.}1]$

There is no difference. These two phrases can be used interchangeably.

Global business" refers to doing business in the entire world, whereas "international business" refers to doing business in a smaller number of countries

"Global business" focuses on the macro aspects of business around the world, "international business" focuses on the micro aspects of business around the world

"Global business" refers to business around the world, including the domestic market. "International business" refers to cross border economic activities.