How did feudalism unify and stabilize japanese society

The feudal situation has changed radically and bloodyly. A succession of powerful and successful warlords committed to bringing the Japanese islands within one leader's successful rule

Explanation:

In the 16th century, the feudal situation has changed radically and bloodyly. A succession of powerful and successful warlords committed to bringing the Japanese islands within one leader's successful rule. This centralization was accomplished through ruthless warfare and the abolition of local power recognized as the "National Unification Era" from 1568 to 1600.

the correct answer on edgen is:

(c.) prevent the spread of communism.

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the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.