Read this excerpt from Jackie Robinson's letter, then answer the question. "17 million Negroes cannot do as you suggest and wait for the hearts of men to change. We want to enjoy now the rights that we feel we are entitled as Americans. This we cannot do unless we pursue aggressively goals which all other Americans achieved over 150 years ago.–Letter to President Eisenhower, Jackie Robinson,
May 16, 1958"

How did Jackie Robinson most likely feel when writing this letter? Pick all that aply.
A. impatient
B. relieved
C. upset
D. frustrated
E. jealous