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

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.