Who found out of the British plan to invade Concord? A. George Washington

B. William Dawes

C. Joseph Warren

D. Paul Revere

b

explanation:

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).

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts