Which action showed that the new government formed under the constitution would be able to enforce the laws it passed?

The new government formed under the Constitution demonstrated its ability to enforce laws through the passage of the Judiciary Act of 1789, which established a federal court system. Additionally, events like the Whiskey Rebellion in 1794 showcased the government's willingness to use military force to uphold Federal Laws, proving that it could maintain order and enforce compliance. These actions illustrated the government's authority and commitment to upholding the rule of law.