Im not sure but I think it was the beginning of modern warfare.
Brezhnev was much keener to protect the priviledges of the Nomemclature than reforming the country. Khrushchev had reformed the Soviet Union because he wanted it to have a better image abroad. He was destituted by the Nomemclature who feared about their priviledges and blamed him for failing in Cuba in his foreign policy.
I don't know the movement but it was led by humanists so I'm guessing the humanist movement
