Which of the Following Statements Best Describes the Average Standard

Which of the following statements best describes the average standard of living for much of human history,prior to the Industrial Revolution?

A) There were no rich people; everyone earned the same income.
B) Average income around the world was basically unchanged for centuries.
C) Total income around the world was basically unchanged for centuries.
D) There were no class differences across nations.
E) The vast majority of people were wealthy,with only a few earning subsistence wages.