How was the affordable care act of 2010 (aka obamacare) an example of federalism at work?

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?

Arrange the ancient dynasties in order in they existed xia, shang, zhou

History should be studied because it is essential to individuals and to society, and because it harbors beauty. there are many ways to discuss the real functions of the subject - as there are many different historical talents and many different paths to historical meaning. –peter n. sterns, "why study history? " 1998 according to the writer, what is the best reason for why history is important? a) history allows those with different talents to discover one of many paths. b) history is important to both society and individuals. c) history uses several different approaches to find meaning. d) history is more important to society than to individuals.