Explain how the principles of limited government, separation of powers, checks and balances, and federalism are used in the United States Constitution

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.

it was the first major victory for the colonists.

. most was thought to be found in the nubian desert, which is part of the sahara desert.