What is it called when a group of workers refuses to work?

Why was the battle of bulge an important point in the war ?

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire

Why is the supreme court decision in roe v. wade so controversial.