When it came to the foreign policies, the United States were not really pleasant towards the rest of the world. Besides the somewhat imperialistic policies that they had displayed, they fought others in terms of economy and migration. There were numerous laws introduced that prevented people form foreign countries from immigrating which wasn't liked by the other countries, while high tariffs made sure that exporting goods to the US was very difficult which was also problematic for various foreign countries.
Heian Era: peaceful and encouraged art.
Shogunate Era: violent, unstable and
supported inequality among social classes.
I say that it,s true in a way because the war debt tht germany had to pay caused germans to print money causing inflation.
Sometimes the remedy could have bad side affects.