Why did the author of this graph include information for 1920 and 1925?

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).

by 1880, germany had more rail lines than great britain and russia.

you can talk about what you learned about them. and you can talk about what happened on you're journeys with them. and then you can put all of the thing you learned about them in you're diary.