Answer:
B. it left note that the United States was a lone global superpower
The Rubens so yeah that is the real answer
Slavery developed in the American colonies in the mid-1600s due to the economy of the South depending on the cultivation of crops; the need for agricultural labor led to the establishment of slavery.
The gilding age led to rapid economic growth in the 20’s, known as the roaring 20’s which would help build America into the free capitalist country it is today.