Different universities work differently in the US. Some have categories of majors, like UW [0], where some are free to declare but others have requirements/prer

Different universities work differently in the US. Some have categories of majors, like UW [0], where some are free to declare but others have requirements/prerequisites. [0]: http://www.washington.edu/uaa/advising/academic-planning/majors-and-minors/list-of-undergraduate-majors/ http://www.washington.edu/uaa/advising/academic-planning/maj...