Answer:
Resentful
Explanation:
Definition: "feeling or expressing bitterness or indignation at having been treated unfairly." this perfectly describes Elena's feeling toward her friend.
In this milestone decision, the Supreme Court ruled that separating children in public schools on the basis of race was unconstitutional. ... On May 17, 1954, U.S. Supreme Court Justice Earl Warren delivered the unanimous ruling in the landmark civil rights case Brown v. Board of Education of Topeka, Kansas.
