How did Diocletian improve the military? He created local armies.
He changed the training.
He hired more mercenaries.
He modernized the weapons.

yes they have. but is this a true false question? if it is, the answer is true.

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

may i see the answer choices?