Which of the following would best describe tied project aid? a. The US government gives money for a hydro-electric project in Ghana on condition that Ghana uses turbines procured from the US. b. The US government gives money to Mozambique for budgetary support without setting conditions on how the money should be spent c. The US government sets preferential tariffs and import quotas for agricultural commodities produced by some developing countries d. The US government provides financial support to international efforts to fight drug trafficking and money laundering