In Mississippi burning, what are the FBI agents investigating in Mississippi

The film stars Gene Hackman and Willem Dafoe as two FBI agents assigned to investigate the disappearance of three civil rights workers in fictional Jessup County, Mississippi. The investigation is met with hostility by the town's residents, local police, and the Ku Klux Klan.

Explanation:

a, he promoted disarmament

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.