The 20th century was a period of turbulent change that forever altered the geography of the world. New countries formed, and old systems fell. In the end, there was a new, changed world. Breathe life into the pages of history with this primary source reader that focuses on the changing geography of the 20th century.

• Build content knowledge across multiple social studies disciplines
• Text features include a Reader's Guide, side bars, table of contents, glossary, and index to increase comprehension and academic vocabulary
• Your Turn! activity extends learning and challenges students to use higher-order thinking skills
• Leveled text accommodates below-level, above-level, and English language learners
• Aligns to state standards and readies students for college and career