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Social Studies, 07.12.2020 19:20 jeanieb

Which of the following had the greatest impact on modern travel? a
Elijah McCoy's automatic oiling machine
b
Henry Ford's development of the assembly line
c
Orville and Wilbur Wright's flying demonstration
d
Granville T. Woods' railcar-to-railcar telegraph system

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Which of the following had the greatest impact on modern travel? a
Elijah McCoy's automatic o...
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