Japan's imperialism was justified as a way to protect East Asia from the West. The idea was that only by taking advantage of its neighbors, could Japan become economically powerful. And this economic power, along with safety, became very important to the country, more so than maintaining traditional Asian values. Because it was considered so important, any action was justified in order to achieve it.
Historians characterize Jeffersonian democracy as including the following core ideals: The core political value of America is republicanism—citizens have a civic duty to aid the state and resist corruption, especially monarchism and aristocracy.
Some people in the north thought of all the south as barbaric. Also he wanted only for a unified america to emerge. It was also bad for the south because a new civil war almost arose.
