The three major areas of professional careers are

In order to be a professional on demand, you need to have some general profile like:Knowledge: You must know, be an expert in your professional career.Experience: Being an experimented professional is as important as knowledge, some companies give more important to experience.Social skills: In order to achieve goals, you need to be able to have interpersonal and intrapersonal intelligence.

That president would be none other than president warren g harding , return to say of life before wwi