O que representam as Grandes Navegações para o Mundo Moderno?

How did testimony such as this from the triangle shirtwaist factory disaster affect the workplace?

Word does jefferson use in opening of the second paragraph that means "obvious? "

The plantation economy in the south produced a. equal opportunity for all whites and no illiteracy. b. low profits despite the enslavement of a great number of people. c. great profits and developed great educational institutions. d. great profits at the expense of cultural development and equal opportunity.