Answer:
D. By including details and statistics
Moving the country away from corruption was an ideal of the progressives during the Progressive Era.
Prominent magazine and media coverage of corrupt individuals in business, politics, and local governments by muckrackers (writers and journalists) helped to expose the scandals, monopolies, social ills, and corporate corruptions taking place in America.
The answer is one-fifth
Since the 1970s, the number of women who have enrolled in new doctorates in psychology has kept on increasing.
This was the post-war world in which a growing number of women were studying for higher education and making a name for themselves.
Since then, some of the most well-known and prominent psychologists in the world have been women.