Which of the Following Is a Reason Political Opinions Are

Which of the following is a reason political opinions are often economically based?

A) American political parties have always been based on social class,with an upper-class party against a lower-class party.
B) Americans prefer to vote for candidates who make the same income as they do.
C) Rich people elected to office customarily reward voters by donating new public buildings to their cities or states.
D) When the economy is good,voters are likely to gamble on new leadership to make it work even better.
E) Governments directly and indirectly hire millions of people.