What is the 38th parallel? A. The line on which Berlin was split into East and West
B. The line on which Korea was split into North and South
C. The border between the United States and Mexico
D. The site of major trench warfare between France and Germany

The answer is B. The line on which Korea was split into north and south

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 answer is a new goverment.