For the U.S., I would say National. for the EU, I would say both. For the League of Arabs, it is States. For the African Union, I would say States.
National
No. The power to make treaties is exclusive to the Federal government.
no
declare war and make treaties
i think its to make treaties;)
no
It is up to the country not a state to make treaties. It wouldn't make sense for a state to make a treaty with a foreign government because a treaty applies to an entire country and not a particular state.
make treaties
It could make war & agree to treaties with other nations.
Yes. The Head of State Doctrine outlines this provision.
Federal 1.print and coin money 2.declare war 3.make laws an treaties State 1.schools 2.marriage 3.licening lawyers and doctors
The power to enter into treaties with other countries and make executive agreements with other heads of state is known as the power of foreign diplomacy or treaty-making authority.