How did the inventions of Samuel Morse, George Pullman, Henry Bessemer, Alexander Graham Bell, Thomas Edsison, and Nicola Tesla impact the quality of life in the United States?

Complete sentence answer

d. migration of french settlers into english colonies

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.

the answer would be:

b. race