As established by the Articles of Confederation, the national government could conduct diplomacy. However, we can note how essentially weak this "first constitution" was.During the time period the Articles of Confederation were used, they were not seen as representative of a strong government, which helped lead the path for a stronger, more centralized government free from control of the British monarchy. This was an essential part of the American Revolutionary War and the United States Constitution.
The Red Cross is the answer
The League of Nations was formed to unify many countries. It wasn't very efficient. The United Nations was essentially an improved version of the League of Nations.
One of the reasons why most Irish Americans favor neutrality was because they were wary of other immigrant populations entering the country as refugees, which would likely happen if America got involved in the war.
