Why do you need help? The answers are right in your book, you already have the answers.
It avoids describing similar concepts more than once, thereby saving you time and making the ER model more readable. It also adds more semantic information to the design in a form that is familiar to many people.
<em>Hope this helped! :)</em>
Colin's answer suggests that he does not yet understand conservation.
He cannot comprehend yet that if you cut one thing into two halves, it is still the same amount, just split in two. That's why he tells Mrs. Weston not to give him two pieces because he wouldn't be able to eat so much and he doesn't realize that those two pieces are the same as one large sandwich.
<span>The Pendleton Civil Service Act prohibited giving away positions solely on the basis of political affiliation- so it's not about companies! The "Spoils systems" was a name given to the practice that this act prohibited.
The correct answer is </span><span>The Sherman Antitrust Act - this is the act that prohibited monopolies, which is what unfair advantage is also called!</span>
