Balance
in the chinese culture yin and yang represent balance between good and evil dark and light basically the balance of life
The Japanese government acted to create an empire on the Asian mainland during the 1930s to create a steady raw material supply line.
Raw material needed by Japan was rubber and oil at that time, which was produced by the United States, Britain, and Netherland. West countries responded by making an oil embargo policy to hold up the Japan's development<span>.</span>
The last one - notice use of slang terms like "kids", "cutting class" and "big deal", which indicate an informal tone. This contrasts more official vocabulary like "students", "truancy" and "issue of attendance", which are used in the other sentences to convey a more formal tone.
Hope I could help!
The southern Manifesto was created to counter the Brown vs Board of Education ruiling