The correct answers are A) The power to declare war and E) The power to conduct diplomacy.
The powers that the national government had under the Articles of Confederation were the following: The power to declare war and the power to conduct diplomacy.
Under the Articles of the Confederation, the national government was represented by Congres that had the power to all of the above plus oversee the relations with Native American Indians tribes and direct the post office. The states were the ones who could collect taxes. Indeed, under the Articles of the Confederation, the central government was weak.