What are examples of the US government indirectly impacting the economy without being in direct competition with private business? (Select all that apply)

Question

A) providing social security benefits to retireesproviding social security benefits to retirees , ,

B) owning and operating the United States Postal Serviceowning and operating the United States Postal Service , ,

C)regulating gas and electric public utility companiesregulating gas and electric public utility companies , ,

D)owning and operating the Federal Deposit Insurance Corporation