Two books that changed the science of astronomy and the world were blank by nicholas copernicus and black by isaac newton

Cher ami,

je sais pas désolé

je m'en veux énormément et je pense avoir du mal à surmonter cette petite défaite      

Amitiés

Valentin                      

the answer is a) james madison.

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.