What was the main difference between capitalism and communsim?

Why is crop rotation beneficial to farmers? What does clear customs mean? What date did the Dow Jones reach its all time high? What was the largest real estate deal in US history? What is the amount of a good or service that producers are willing to provide called? Farmers were hit the hardest by the results of the stockmarket crash because? Transition from primary sector to secondary sector to tertiary sector? What happens as currency appreciates? What is monetary unit of Hong Kong? What is contigency approach and why its popural? What is mailroom services? Which system practised in exchanging their goods? When can exworks goods be invoiced? Who invented research and development? Is subway franchises fair trade? Why is heinz ketchup sold to restaurants with 'not for retail sale'? How does Islam address global poverty? How do you calculate holding cost for inventory management? How much subsidy is given for start dairy farming by government? How can one determine the level of autonomous consumption in an economy?