The BEST illustration of the immediate reaction of the American public to the assassination of Martin Luther King Jr. in 1968 is:
Riots broke out throughout the country, representing the most widespread example of social unrest in the country since the Civil War.
Following King's assassination on April 4, 1968, there were significant riots and unrest in many cities across the United States, demonstrating the intense grief, anger, and frustration felt by many, particularly within the African American community.