Why were people eager to build the transcontinental railroad

What does it mean to say that "service sector" jobs are predominant in europe's mixed economies today? a. that jobs where people work in factories predominate b. that jobs where people do something for others predominate c. that jobs where people work the land predominate d. that jobs in government predominate

Acharacterized by intimate, long-term, face-to-face association and cooperation. primary group community clique secondary group

Describe how a person can have both high and low self-esteem.