The great work of the next few years for Prussian statesmen was the removal of commercial barriers between the various German States, and the establishment of a Zollverein between them.

There was something captivating in the project of forming all the parts of this vast British empire into one huge Zollverein with free interchange of commodities, and uniform duties against the world without; though perhaps, without some federal legislation, it might have been impossible to carry it out.