Studying how people get along with one another
a. has little use outside the workplace.
b. won't a worker become more productive.
c. can improve a person's personal life.
d. for most people is a difficult thing to do.

a is the final ! : )

the declaration states, “we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness….”