Based on "marian anderson sings," what conclusion can be drawn about the people who came to hear her sing at the lincoln memorial?
a. they believed that anderson had the right to perform anywhere she wanted.
b. they agreed with the stance taken by the dar.
c. they thought that they were going to hear someone else sing.
d. they knew that anderson was very nervous before she began to sing.

in ray bradbury's short story "a sound of thunder", mr. eckels's fearfulness leads to drastic consequences for the rest of the world.

in the story, mr. eckels, who is a hunter, hires a time travel company to travel to the age of dinosaurs. although he is excited for the hunting expedition at the beginning, when they reach there and mr. eckels sees the tyrannosaurus, he feels frightened. as he is afraid of the tyrannosaurus, he steps off the path although he has been warned not to do it. by stepping off the path, the entire course of the future is affected: mr. eckart alters the future by stepping on a butterfly, which causes a new man to be elected president in the future. in that way, it is mr. eckart's fearfulness what triggers 'the butterfly effect' and what leads to drastic consequences for the rest of the world.