Set your sights on Americas expansion to explore 15 different social studies topics ranging from the Louisiana Purchase to the Civil War with these engaging texts. Leveled Texts for Social Studies: Expanding & Preserving the Union is an award-winning resource designed to help all students grasp important historical people and events through high-interest social studies material written at four different reading levels ranging from 1.5 to 7.2. Each text is presented in a two-page format and complemented with comprehension questions written at each reading level. Includes a Teacher Resource CD with a modifiable version of each passage plus full-color versions of the text and image files. 144 pages + CD