Oregon Trail

National Social Studies Education Standards: Grades K-4 Time, Continuity, & Change: II - a. Demonstrate an understanding that different people may describe the same event or situation in diverse ways. - b. Identify examples of change and recognize examples of cause and effect relationships. - e. Demonstrate an understanding that people in different times and places view the world differently. Power, Authority, & Governance: VI - f. Identify and describe factors that contribute to cooperation and cause disputes within and among groups.Landau, Elaine is the author of 'Oregon Trail ', published 2006 under ISBN 9780516258713 and ISBN 0516258710.