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Answer Key
Grade 4 Social Studies: Transportation & Communication Innovations
1.
improves/changes
2.
people
3.
information/messages
4.
faster/easier
5.
rivers/water
6.
cities/towns/regions
7.
electrical/coded
8.
government/family
9.
a new idea, tool, or method that changes how people do something
10.
moving people and goods
11.
sharing information/messages
12.
faster/farther movement of people and goods
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