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How do private property rights serve as an incentive in a free enterprise economy ?

Which of the following is/are a major technological advances of the mayan civilization? a. the calendar c. math b. architecture d. all of the above

Which statement describes the primary purpose of the european union? question 1 options: to protect european nations in the event of another world war to work together to strengthen europe and benefit all member nations to prevent alliances from forming between member nations to share resources and make economic trade easier between coal and steel companies