Answer:
Knowledge in Humanities and social science will help you understand the people's behavior in working environment.
Step-by-step explanation
In order to be successful at your career, having a great skill in your field is not enough. Often times, job projects require team work which will force you to communicate and form a relationship with other people. You need to understand their personalities and characters in order to work with them efficiently . This is where knowledge in humanities and social science would help.
Not only that, it's also very useful during networking. Job promotion and project offers usually do not given based on qualification alone. A large portion of employers gave those to the people they like and trust. The communication ability to obtain their favor can be learned in Humanities and social science .