How were protest movements in the decades following wwii handled by various governments and what social achievements were gained through protest?

The civil rights movement in the US for true equality of Afro-Americans especially in the southern US and the large anti-war protests against the Vietnam war were two of the largest movements of the popular movements of the times in the 60's.Many people were arrested  in both these movements by the police, some people were shot and killed by the National Guard or lynched by the Klu Klux Klan and many people were jailed.