Lyndon Baines Johnson, gave top priority to the passage of the bill. ... The bill also authorized the US Office of Education to distribute financial aid .... voting rights bill to Congress, and he urged Congress to vote the bill into law.
A. 1967/1968
The other answers weren't even during the time of the Vietnam Conflict, whereas Option A even coincides with protests close to Kent State in 1970.
<span>The Nazi's carefully planned campaign of mass murder.
The Holocaust was planned by the Nazi's to exterminate the Jews in large numbers, as keeping them inside ghetto's did not kill the Jews fast enough.
hope this helps </span>