Compare the facts, constitutional issues, and outcomes of two landmark Supreme Court cases: Brown v. Board of Education (1954) and Obergefell v. Hodges (2015). In your response, address how the facts of each case related to the underlying constitutional principles they engaged, specifically focusing on how the decisions were influenced by the sociopolitical context of their times. Additionally, evaluate how the Court's interpretation of equal protection under the law evolved from one case to the other.
Note: The provided solution includes an example of a perfect-score answer and explanation. Your response will not be scored.