Answer:
Martin Luther King Jr. gave his famous "I Have a Dream" speech during the March on Washington
A portion of the major social and political occasions that specifically went before 1968 are the Vietnam War, medicate war culture, hostile to war culture, the death of John F. Kennedy, Martin Luther King, and Bobby Kennedy and ladies' rights dissenting.
I hope the answer will help you.
B. Mountains and islands isolated settlements
hope this helps