Why does Martha Nussbaum believe it useful to study World History?

Nussbaum does not care about history because that is not where she wants to be$.$

Studying World History is useful for people who want to develop algorithms that predict and monetize people's choices and behaviors

World History provides knowledge that can make someone seem smart and educated when talking to potential employers from around the world

It is useful to try to see the world from historical and cultural perspectives different from one's own.

World History, especially military history, can give practical guidance for how to defeat enemies