Answer:
They reduced trade with European countries.
Explanation:
The destruction, the first world war brought to the United States changed its stance towards Europe in the following period which evident from the U.S foreign policies. They reduced trade withe European national and focused on the domestic issues. They saw the second world war as a European war and therefore took a neutral stance towards it.
He was criticizing their teachings and practices.
Filial Piety was an idea in Confucian philosophy where elders were meant to be respected the most.
It is something that is still held to majority of Asian society in which the children of the family would respect the elders the most, for instance, the grandchild and the grandmother would have the grandmother respected the most and so on throughout the family tree.
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Social transformation hope this is the right answer