"when eisenhower left office, he warned the nation about the dangers of increased military spending and the growing power of what he called the: "

It is the informal bond between the military and the arms industry which supplies it. With this alliance,  the military obtains the war weapons and the defense-minded corporations profits to provide them.

Dwight D. Eisenhower discussed the  military-industrial complex in his farewell address on January 17, 1961.

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.