One of the most important documents of the Civil Rights movement was the _____________.
Letter from the Birmingham jail Fifty years ago today, one of the most important letters in American history was written. From his jail cell in Birmingham, Alabama, the Rev. Martin Luther King, Jr. [ began penning his famous Letter from Birmingham Jail.eegy: D. Peaceful protest. User: The success of the civil rights movement of the 1950s largely bypassed a) African Americans b) Native Americans c) Mexican American d) all of the above Weegy: The successes of the civil rights movement of the 1950s largely bypassed b.