Basic definition of the american dream

The American Dream- is a national ethos of the United States, the set of ideals (democracy, rights, liberty, opportunity and equality) in which freedom includes the opportunity for prosperity and success, as well as an upward social mobility for the family and children, achieved through hard work in a society

the answer is: round.

in literature, round characters are considerably complex and experience or are subjected to unpleasant situations. as a consequence, they go through crucial sentimental and psychological development, which can cause surprise in the readers. in this case, juan's dramatic transformation is related to the adversities he meets at school.