The have the power to decide whether or not an action of the government violates the constitution

The courts have the power to decide whether or not an action of the government violates the Constitution.

Explanation:

The Supreme Court of the United States has the power to decide whether or not an action of the government violates the Constitution, it's role in our system derives from it's authority to invalidate legislation or executive actions which are considered, by the Court itself, in conflict with the Constitution.

the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.