It is important as music has helped generations of black americans get through tough times such as slavery. it is used in daily life for naming ceremonies
The answer is C. it put japan on the defensive
When people are united by common history and culture, they belong to a "nation" although this is not technically the case. Many people from different backgrounds and cultures can be part of a nation.
His troops seemed to be in such an ugly mood.
I hope this helps. :)