The rise of entrepreneurship during the Gilded Age most affected the overall economy by -
A creating the first group of highly wealthy individuals in the nation
B introducing efficiencies which lowered prices on most goods
C allowing for the formation of large corporations
D spurring the development of new transportation technology

abraham lincoln  (february 12, 1809  – april 15, 1865) was an american statesman, politician, and lawyer who served as the 16th  president of the united states  from 1861 until  his assassination  in april 1865. lincoln led the nation through the  american civil war, its bloodiest war and its greatest moral, constitutional, and political crisis.[2][3]  he preserved the  union,  abolished slavery, strengthened the  federal government, and modernized  the u.s. economy.

d. dr. francis collins

  the common sense as a pamphlet written by thomas paine. it promoted the independence of the colonies from british rule. the distribution of this pamphlet was great, it reached people everywhere and it was even read aloud at places people met. it also unite the colonists before the revolutionary war.

answer is d

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else