How did the United states help Britain in spite of the neutrality?

Prior to World War 2 The United States helped the United Kingdom by sending them food, supplies, armament, and some Americans joined the Royal Air Force. Once the United States was forced into the war they sent over thousands of people, war supplies, food, clothing, other supplies and cooperated with the Allies to bomb Germany and other places. They also fought the war together and served together after the war to help Germany restore its nation. They also fought with Britain in Asia to defeat the Japanese in the British held nations.