Some other things to keep in mind when you want to become a zoologist: 1  Career opportunities after graduate school do exist, but most are assistant positions or technician positions. 2  You will need a doctoral degree in zoology in order to become a research scientists or apply for any teaching positions in the field.
To add to that list, I would say that religion was also one of the ways French spread to some other countries. The Catholic church expanded in many ways, in many places, and among its missionaries there were certainly some French speakers.
There are all kinds of reasons to learn a foreign language in general and French in particular. Let's start with the general. An obvious reason to learn a new language is to be able to communicate with the people who speak it. This includes both the people you meet when traveling as well as people in your own community.