When can the Supreme Court rule on the constitutionality of a law?

The best-known power of the Supreme Court is judicial review, or the ability of the Court to declare a Legislative or Executive act in violation of the Constitution, is not found within the text of the Constitution itself. The Court established this doctrine in the case of Marbury v. Madison (1803).

Explanation:

the mothers played a major role in confronting the government and ending the war.