In 1971, the new york times began publishing this classified report prepared by the defense department that traced american involvement in vietnam back to world war ii and revealed how successive presidents had misled the american people about it.

The Pentagon Papers

Explanation:

The United States government, in the beginning, lied to the public about the horrific casualties in the Vietnam War, declaring that everything was normal. The Pentagon Papers were the top-secret official reports which revealed some secrets of the Vietnam War. The small portion of the report was given to the New York Times by military analyst Daniel Ellsberg in 1971.  

c. as a force against soviet invasion of afghanistan

jim crow law, in u.s. history, any of the laws in which racial was enforced, in the south between the finish of reconstruction in 1877 and the start of the social liberties development during the 1950s.

jim crow was the name of a minstrel routine( jump jim crow) performed starting in 1828 by its creator, thomas dartmouth ("daddy") rice, and by numerous imitators, including on-screen character joseph jefferson.

the term came to be a defamatory sobriquet for african americans and an assignment for their segregated life. the segregation rule was stretched out to parks, graveyards, theaters, and eateries with an end goal to keep any contact among blacks and whites as equivalents.

it was classified on neighborhood and state levels and most broadly with the "separate yet equivalent" choice of the u.s. preeminent court in plessy v. ferguson (1896).