Which of the following is a result of a constitutional challenge to a law?

A constitutional challenge to a law typically involves a judicial review process where the court examines whether the law aligns with the principles and stipulations set forth in the constitution. When such a challenge occurs, the court has the authority to determine if the law is constitutional or if it violates constitutional rights.

The potential reversal or modification of the law stems from the court's decision as a result of this challenge. If the court finds that the law is unconstitutional, it may strike down the law entirely, making it void, or it may modify aspects of the law to bring it into compliance with constitutional standards. This judicial oversight is fundamental in maintaining the rule of law and ensuring that legislative actions do not infringe upon individual rights or the limits set by the constitution.

The other outcomes mentioned, such as increased public trust in government, decisions by a legislative body, or the creation of new laws to replace the challenged law, may happen in the broader context of legislative processes or public sentiment but are not direct results of a constitutional challenge itself. Therefore, the judicial scrutiny that results from such challenges is vital for upholding constitutional integrity, making the reversal or modification of the challenged law the most relevant outcome.