Merchant families that ruled Italian city-states established: B. their own armies.
In the Renaissance epoch, Italy was formed by many city-states with powerful people as the rulers. They were in conflict with each other quite often. That is why these cities had their own armies to protect their merchant, their political interests and their cultural influence in the region.
By creating the federal trade commission and strengthening the Supreme Court and adopting Granger laws
A. Around 70 presente of Japan's population lives in the region between Tokyo and Osaka.
It's cold war if i'm correct