National
No. The power to make treaties is exclusive to the Federal government.
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.
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.
declare war and make treaties
no
The President of the U.S. has the power to make treaties with foreign countries, but must be confirmed by the U.S. Senate. He also has the power to enter into executive agreements (secret treaties) with no Senate confirmation needed.
Delagated Power
The power to make war. The power to negotiate or agree to treaties with foreign nations. All these are in Article Four, which includes a prohibition of one state discriminating against the citizens of another state, for instance by making criminal penalties more severe for non-citizens than for citizens.
The executive branch of the government has the power to make treaties, but each treaty must be ratified by the US Senate
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.
power to make treaties with other countries..
exclusive