Tax treaties can prevent double taxation by: a. providing reduced tax rates and reduced withholding b. not allowing the exemption of certain types of income from taxation c. including a "savings clause" d. all of these are correct The federal clause most frequently providing the basis for state taxation disputes related to the states power to tax out-of-state individuals and entities is the a. Supremacy Clause b. Federal Clause c. Commerce and Due Process Clause d. Legal Perspective Clause Sangage Learning Powered by Cogner