What is the key idea of this para grapa?

How did the roaring 20s mark the end of the progressive era? a. mass production reduced wealth disparity and turned public opinion pro business b. labor unions won big legislative gains in workers rights and disbanded c. public officials cut taxes on businesses and reduced spending on services d. america increasing influence in world affairs redirected public attention to foreign policy

This amendment made cuba an american protectorate and forced cuba to cede guantanamo bay to the u.s.

What is true about the gullah who lived in areas of colonial south carolina and georgia?