Answer: That would be 3. Control Foreign Trade
Explanation:
Control over foreign trade is often shared between the federal government and state or regional governments, depending on the country's political structure. While the federal government typically oversees international trade policies and negotiations, state or regional governments may have authority over certain aspects of foreign trade within their jurisdictions, such as trade regulations or the operation of ports and customs facilities. Therefore, control over foreign trade is an example of a power that can be shared between different levels of government.