)what was the main role of u. s. soldiers who fought in world war i?
a. transporting supplies to the front lines
b. launching a major offensive against germany
c. replacing wounded soldiers in british and french units
d. providing medical treatment to wounded allied troops

The second answer is correct (B).

The entrance of the USA in the first world war occurred in April of 1917, when the United States declared war against the Germans and their allies. A large volume of soldiers, tanks, ships and warplanes were used to ensure that the Entente victory was secured. In a short time, the German and Austrian troops were defeated. In November 1918, the armistice of Compiègne hit the retreat of the Germans and the rapid victory of the Triple Entente.

not to sure thinking it would be a hope this

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.