After World War I the ideas of isolationism were favored by most Americans. here were 3 Neutrality Acts passed by Congress during this time. The first on, in 1935, barred Americans from lending money to warring nations and selling them arms. The second Neutrality Act in 1937 stated U.S ships couldn't carry passenger goods to warring nations .These two acts reflect how serious Americans were about staying neutral and not favoring any countries, this later changed. Rules began to become more flexible specially with the cash and carry policy, which led warring nations purchase arms from the U.S with the conditions that they pay in cash and use their own ships to transport it. President Roosevelt was the person who presented the policy, he was also known to favor the involvement of America in the war. At the beginning many Americans opposed these views. Roosevelt's idea of U.S only got stronger with Japan's invasion of China. He favored China and the Allies and used the cash and carry policy to help the Chinese. In September 3rd France and Great Britain declared war on Germany because of their invasion of Poland. Roosevelt responded with the third Neutrality Act which ended the ban on the sell of arms to foreign countries. This officially ended U.S neutrality. Many Americans opposed this Act as they viewed true neutrality as the only way to keep the nation safe. Roosevelt argued that the war would affect the United States no matter what.
2-In my opinion the U.S stopped being neutral when president Roosevelt showed favoritism over a