6. a.Define dialectical materialism.Your definition should include three components: (i) a definition of materialism, (ii) a definition of dialectical, and (iii) a definition of dialectical materialism.

b.What did Marx mean when he stated that labour is exploited?Explain your answer.Your explanation should include Marx's concept of surplus value.It also should include a statement about which class receives (or appropriates) surplus value.

c.List the laws of capitalist motion.

d.The Great Depression began after the financial crash of 1929 and continued until 1940.During that time, unemployment was extremely high, sources of credit vanished, global GDP shrank, thousands of unit banks in the United States failed, sources of credit vanished, international trade collapsed, and many people went hungry while unharvested crops stood in fields.John Maynard Keynes commented:"We are today in the greatest economic catastrophe of the modern world ... the view is held in Moscow that we are in the last, culminating crisis of capitalism and that our existing order of society will not survive it." (Cited by Paul Strathern, Dr. Strangelove's Game:A Brief History of Economic Genius, Toronto:Alfred A. Knopf Canada, 2001, p. 271.)Why would Marx's dialectical materialism and the laws of capitalist motion cause communists to believe that in the 1930s, capitalism was in its final crisis?Explain your answer.