Kennedy is playing a computer game that shows a monster falling in mud when the answer is wrong. Kennedy cares less about answering incorrectly and more about watching the humorous event. The monster in the mud is more than the incorrect answer.

Humorous.

Explanation:

Its kind of what Kennedy prefers so i think humorous...

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.

what's this it's not giving you what have to do.