I.3.2 Examine historical, social, cultural, or political context to broaden inquiry. Introduce your students to a Triangle Factory historical unit using this no-prep lesson; note-taking guide and quiz included! This resource provides background on American immigration during the late 1800s to the early 1900s. The presentation provides background on the many immigrants that were working in sweatshops in America during the Triangle Fire. Throughout the lesson, students can take notes to prepare th