Bluegrass is the name of the new music. Its still widely used today!
hope that helps :)
These three ones are to choose because the graph of each is a straight line
A likely explanation would be that there was not enough food available for the entire growing civilization at the time, and that the people of the civilzation moved around and were eventually dissolved into different cultures,
Hello
the real answer to this questions is, A. prove the legitimacy of dynastic rule
