1.Define the nature of U.S. business and identify its main goals and functions. 2.Describe the external environments of business and discuss how these environments affect the success or failure of any organization.3. Describe the different types of global economic systems according to the means by which they control the factors of production. 4.Show how markets, demand, and supply affect resource distribution in the United States, identify the elements of private enterprise, and explain the various degrees of competition in the U.S. economic system. 4. Explain the importance of the economic environment to business and identify the factors used to evaluate the performance of an economic system.