It had a very positive impact because the 1920's was when many new technologies were introduced, one example being the the assembly line, which made many industries more productive and profitable.
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Answer:
The correct answer is c.
Explanation:
P.S - The exact question is as follows :
The correct answer is c.
In an era prior to the safe roads, all the people used the rivers to transport their goods, since it was much faster and safer than going in carabanas by the desertic roads, and full of bandits; In addition, the country's rivers, such as the Mississippi, the Ohio, the Missouri River, and Illinois, were used as a means of transportation and also to link to man-made canals, such as a waterway, by which farmers in Louisiana and many states found this form of transportation very useful and became so popular that large channels were formed that united important cities such as the Eirie Channel connecting New York to the Atlantic market.
Answer: It helped them find their way to new countries by land and water
Explanation:took test
