Answer :
Answer:
D-THE SIZE OF THE CROWD THAT ATTENDED
Explanation:
The aspect of the March on Washington that was very powerful in sending a message was the size of the crowd that attended.
What happened in the March on Washington?
It was a protest that was organized by Martin Luther King and other leaders in the Civil Rights Movement to bring an end to segregation and racial policies.
More than 250,000 people attended it which showed the U.S. and the rest of the World just how serious the Civil Rights Movement was.
In conclusion, option D is correct.
Find out more on the March on Washington at https://brainly.com/question/330087.