1. Short title This Act may be cited as the City and State Diplomacy Act . 2. Findings Congress finds the following: (1) The supremacy clause of the United States Constitution (article VI, clause 2) establishes that the Federal Government has the primary role in conducting diplomacy on behalf of the United States; in turn, the Department of State, which was created pursuant to statute by Congress in 1789, has the lead role in formulating and implementing United States foreign policy. (2) The growth of subnational cooperation has enabled States and municipalities to play an increasingly significant role in foreign policy and complement the efforts of the Department of State by— (A) supporting exchanges and cooperation agreements between elected leaders and officials of State and municipal governments and those of international cities, regions, and countries; (B) promoting United States exports to foreign markets and foreign direct investment into the United States