Houghton Mifflin Social Studies
Chapter 1, Lesson 2: The Expanding Horizon (pp. 10-15)
I. Merchants, Soldiers, Explorers, Pilgrims
B. Soldiers, who traveled and fought on horseback, used stirrups, bits, and horseshoes to make riding easier.
C. Explorers developed and used sails, rudders, and compasses to improve their ships.
D. As travel became safer, more people traveled throughout the world and enlarged their world view.
B. As the Roman Empire declined, the work of early mapmakers was forgotten in Europe.
C. The rediscovery of Ptolemy's work in the 1400s fueled an interest in world geography for Europeans.
Lesson at a Glance Outline
A. Around the year 1100 B.C., merchants began to use camels and travel in caravans to transport their goods safely.
II. Early Maps
A. As travelers collected new information about lands they visited, mapmakers could make more accurate maps.
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