As established by the articles of confederation, the national government could regulate trade. enforce laws. conduct diplomacy. raise a national army.

Hello there,

Your correct answer would be conduct diplomacy

As established by the Articles of Confederation, the national government could conduct diplomacy 

Hello! And thank you for your question!

As established by the Articles of Confederation, the national government could conduct diplomacy.

Conduct diplomacy means sort of like negotiation equality. 

Congress also has the power to make treaties, alliances, declare wars.. So much more!