Anational civil rights movement, which ended most instances of lawful discrimination, took place during:world war ii. the 1950s and 1960s. the 1970s. the 1990s.

The correct answer for this question is this one: "The 1970s." A national civil rights movement, which ended most instances of lawful discrimination, took place during the 1970s. The National Civil Rights Movements are worldwide series of political movements for equality before the law.