Final answer:
In Lewis v. United States, there could be a majority opinion, dissenting opinions, and possibly concurring opinions offering different legal perspectives and rationales behind the Court's decision.
Step-by-step explanation:
The different perspectives presented in the opinions of Lewis v. United States could include a majority opinion, a dissenting opinion, and potentially a concurring opinion. The majority opinion is the Court's reasoning agreed upon by at least five of the nine justices. A concurring opinion may be written by a justice who agrees with the majority's outcome but not their reasoning, highlighting a different aspect of law or providing additional context. Justices in the minority write dissenting opinions to express their disagreements and the reasons behind them.
Each of these opinions helps to elucidate the decision-making process within the Supreme Court and sets a precedent for future cases. Even when there isn't a unanimous decision, the Supreme Court's ruling reflects a complex interplay of legal interpretation and the justices' commitment to uphold the Constitution and federal statutes, which may differ among the justices as seen in the aforementioned case.