What are the benefits of having a single leader as dictator during a crisis? what are the potential problems with this system?

The benefit of having a single leader as a dictator during a crisis is that there is only one figure that has to make the decision as to what to do. Therefore, it makes for speedier action and it cuts out the time other figures would take arguing over who should make the decision and what decision to make.

Of course, this also means that the people will have their choice made for them over how to address the crisis, but you have to choose your battles right?

As a compromise necessary to ensure ratification, Federalists agreed to propose a Bill of Rights that would specifically limit the powers of the new federal government and would, through the Tenth Amendment, recognize that "The powers not delegated to the United States by the Constitution