B. A house keeper wounded fall under the category of domestic and personal services because they are not professional like maids or butlers.
For Plato students the answer is
C. Earth is at the center of the universe and the Sun revolves around it.
By extending their arguments to address entire nations, some social Darwinists justified imperialism on the basis that the imperial powers were naturally superior and their control over other nations was in the best interest of human evolution.