Which term best describes a "buffalo soldier" of the 19th century?
a. african-american u. s. cavalry soldiers
b. a term for slaves in the american south
c. a nickname for the apache indians in the american west
d. teams of hunters who would slaughter herds of bison for their furs?

a. African American u.s. cavalry soldiers.

The "Buffalo Soldiers" were the nickname given to the Black Cavalry of the United States Army. The nickname came from Native American tribes fighting in the Indian Wars. The term eventually became synonymous with all African American regiments. The "Buffalo Soldiers" were established by Congress as the first peacetime all-black regiments in the United States Army in 1866, after the Civil War.

i beleive its 1)aids

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.