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

he changed the training

Explanation:

Diocletian created a new administrative system called the tetrarchy and increased the number of provinces, he also instituted the policy that Romans had to worship the emperor and state gods and established minimum wage.

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.

d. william mckinley's southern upbringing him win.