What does the judicial branch do?

The judicial branch is primarily responsible for interpreting laws. This involves reviewing and making determinations on the meaning and application of laws in specific cases. The judicial branch ensures that laws are upheld and follows the constitution, providing checks and balances within the government. Through this interpretation, courts have the power to resolve disputes, interpret the constitution, and protect individual rights.

In contrast, making laws is the function of the legislative branch, which is tasked with creating new statutes. Enforcing laws falls under the purview of the executive branch, which is responsible for implementing and executing the laws established by the legislature. Regulating commerce, while an important function, also pertains more to the legislative and executive branches, which enact and enforce regulations pertaining to trade and economic activity. Thus, the role of the judicial branch distinctly focuses on interpretation, making C the correct and appropriate choice.