Thee answer to this question is D: increased the technical demands on musicians.
I believe its the ACT Aspire
<span>Mc Donald’s is a popular fast food restaurant chain in America. Its humble beginning was started by Richard Mc Donald’s last 1940. Today it has been scattered in about 120 countries, with a total of 36,525 Mc Donald branches all over the world. However, drive-throughs are more in demand in the United States that would cause more than a hundred branches to stop its operation.</span>
Answer:
Economical activities in society
Explanation:
Primarily, they are interested in how the nation affects individuals' decisions. When studying national behavior, economics focus on issues such as nation's productivity, prices of goods in a nation, employment and unemployment and income distributions.