How did improvements in communication affect globalization?
they decreased the rate of communication.
they sped up the rate of communication.
they interfered with the availability of communication devices.
they disenfranchised developed countries.

The correct answer should be They speed up the rate of communication. Now people from all over the world could communicate in an instant. This means that companies could outsource businesses for example and receive news on how factories are working as quickly as if the company was located in the state from where it's from. It also enabled countries to develop more quickly if they shared technological advancements with the world.