Mussolini's government has really changed the country, and Italy took part in the first world war. In 1920s there were also climate changes.
Germany was part of the Axis Powers.
Answer:
The Transcontinental Railroad fundamentally changed the American West. As the United States pushed across North America, railroads connected and populated the growing nation. Railroads also sparked social, economic, environmental, and political change.
I believe, "Tanks were a fast and reliable means of transporting soldiers" is NOT true.