<span>Through Marbury v Madison decision</span>
In 1939, France and Great Britain declared war on Germany as a direct result of Germany invading Poland. Known as September Campaign in Poland and Poland Campaign in Germany, the invasion happened on September 1, 1939 which was followed by the Soviet Union invading the Poland on September 17, 1939. After failing to comply to Sir Henderson's (Great Britain's ambassador to Germany) ultimatum to cease the invasion, the Great Britain declared war on Germany with France following.
That Roosvelt was advocating for economic pressure but against war. The speech had the opposition of the media at the beginning but then it gained some support.
Answer:
Economic: U.S we're democracy so their economy were centrate in private bussinesses and Soviet Union we're focused upon equity of wealth and it's balance distribución among people.
Ideology: US: Democracy ideologies while Soviet Union had dictatorship ideologies
Political: U.S Capitalism while Soviet Union were Communism.
Search it up on google mate, lol