I believe the answer would be C, taxation without representation caused anger.
In 1765, the stamp act congress met in New York to declare that the English Crown was not entitled to tax Americans who lacked representation in British parliament.
Senator Everett Dirksen, in this 1968 interview describes a "whispering echo<span>" which enables a careful listener to pick up conversations on another side of the </span>hall<span>. I'm pretty sure!</span>