The correct answer here is the option B.
The March on Washington occurred August in the year 1963. The purpose of this action was to gather support for the passing of the Civil Rights act. About 250.000 people were a part of the march and it was during this ceremony that Martin Luther King Jr. delivered his famous I Have a Dream speech .
The answer to your question is B-The IIiad
The correct answer is Demilitarized zone (DMZ)
Explanation: Demilitarized Zone (DMZ), which divides the Korean Peninsula, became the emblem of the truce that ended the fighting in the Korean War (1950-53).
The location is a regular destination for American leaders who want to show their determination in front of North Korea.