What is one way the judicial branch checks the power of the executive branch

The Supreme Court can rule executive orders unconstitutional.

The Supreme Court can rule executive orders unconstitutional.

This is an example of checks and balances because the Judicial Branch is limiting the power of the Executive Branch by doing their job and interpreting the laws set out by the Consitution. 

The Supreme Court can rule executive orders unconstitutional. - Apex

The situation became more complex when civil commissioners sent to St. Domingue by the French revolutionarygovernment convinced one of the slave revolt leaders, Toussaint L'Ouverture, that the new French Government was committed to ending slavery.