Why is iron and steel are called a basic industry ?explain

Which of the following is a personal responsibilty

What occurred during the free banking era? the dollar bill was introduced. the second bank of the united states was established. repaying of loans was not closely monitored. currency varied widely from state to state.

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