What did samurai do for japan?

The samurai (or bushi) were the warriors of premodern Japan. They later made up the ruling military class that eventually became the highest ranking social caste of the Edo Period (1603-1867). Samurai employed a range of weapons such as bows and arrows, spears and guns, but their main weapon and symbol was the sword

what are local authorities doing to fix the problem

explanation: what are local authorities doing to fix the problem