Answer:
Treaty of Guadalupe Hidalgo
Explanation:
This is usually the result of an underdeveloped infrastructure or lack of technological achievements. The communication revolution requires countries to have highly advanced infrastructure that can support making a huge communications web and many countries have historically been destroyed by wars or have generally been poor and couldn't develop in that field, which means that nowadays they can't enter it quickly.
Answer:
True
Explanation:
telegraph was invented in the 1830s
telephone was invented in 1876
Hoped I helped
Answer:
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