What are the reasons that teenagers would join a gang in 1960s?

What three political groups came out of the french revolution.

Acivilization reaches its high point during its stage. a)birth b)growing pains c)adulthood d)senior

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