Enumerated powers are enumerated in some kind of document.
Implied powers are not specifically enumerated in some kind of document, but they would be necessary to fulfill some responsibility.
They tend to work harder and enjoy their work more.
People who are intrinsically motivated are motivated by internal desires - for example, they want to learn a new thing, experience new events, and improve themselves from the inside. On the other hand, people who are extrinsically motivated only want a particular material award, which isn't such a strong drive as internal motivation.
B.) Nurses
because they were not allowed to serve in the war unless they were men