Review the article, paying special attention to the introduction and to the section "Living and Working in the Snow." In at least two or three sentences, give three examples of hardships and dangers the workers faced.

(If you need the article, it is linked here.)

Which of the following describes an effect of world war ll on the united states economy a. automobile companies produced a record number of cars b. many factories had to expand to produce military equipment c. the airplane industry suffered as the allies began using airplanes in combat d.cities with shipyards declined because so many ships had been sent overseas.