Over the past one hundred years, business cycles:
a. have become more frequent and more severe.
b. have been completely eliminated.
c. have become less severe and less frequent.
d. have become less frequent, but more severe.

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.