D, communists hope this helps :)
1. The automobile was an affordable way for Americans to travel. Many Americans had automobiles before the had a proper toilet. 2. The economic "boom" was called the Roaring Twenties. The contributing factors were automobiles, movies, etc. 3. President Coolidge believed in Federalism.
I hope that I got that right. :)
Answer:
France Belgium and Germany
It is B because The fascist leaders in Germany and Italy want a war to test their new strength, appeasement by the British and France gave Hitler time to prepare his wartime strategy, and Invasion of China lead to the Japan joining the war. Actually, for B it is that Germany invaded Poland which technically started WW2