Explore the history of voter suppression efforts in the U.S., from the Jim Crow era through the post-1965 Voting Rights Act era, in this video clip from Whose Vote Counts | FRONTLINE. Learn about the strategies that were legally implemented in southern states to disenfranchise Black people, the violent backlash that ensued when Black people challenged these policies, and the events that led up to the signing of the epic 1965 Voting Rights Act.