they supported us the British
America did not want to be involved in distant conflicts. But when Germany sunk the Lucitania, America had no choice they had to enter.
There was almost unanimous public support for Cuban Independence.
the catylist that caused America to enter world war two was the bombing of pearl harbour.
The destruction of the United State warship Maine on the month of February is one of the factors that increased the public support to enter into a war with Spain.
Mongolia, finally announced its support for the Allies on August 9, 1945. This was after the use of atomic weapons in Japan. There were many neutral nations that joined the Allies as the war was coming to a close. For a complete list of participants see; http://en.wikipedia.org/wiki/Participants_in_World_War_II
Vietnam.
The Corean Conflict
America supported NATO
The US Senate fail to support Wilson after World War 1 by refusing to allow America to enter the League of Nations. The reason cited was Wilson's failure to involve the senators in the planning and negotiations.
your mon
No, America did not give financial support to Europe after the World War 1.
in 1914 and it ended in 1918