Diocletian was a Roman emperor. He enlarged and separated military empire and civil empires.
He later reorganized division for those empires which was bureaucratic and largest in the government for history of empire.
There was increase in tax reform because construction projects, constant campaigning and military growth.
There are other plans which Diocletian had but they were ignored. For example, he wanted to curb inflation through price control which was edict on maximum prices.
<em>The British and their colonies were able to trade without exchanging gold or silver, and the ships' owners (who were British) were able to make a profit at every leg of the journey. </em>