Answer:
Era
Explanation:
Epoch is an English word that is used to describe a specific period or simply a certain era about the occurrence of events or certain places or people.
Hence, in the statement "The invention of email opened an important epoch in the history of communication."
The term which can replace epoch without changing the meaning of this sentence is ERA.
Answer:
The climate dried and made farming and grazing very hard.
Explanation:
Answer:
Why did some believe that US expansion was needed to preserve the "American Spirit?" They thought that America would need a strong navy to protect the markets. Also, in Alfred Mahan's book, The Influence of Sea Power Upon History, he says that America's future would rely on gaining new markets abroad.
Explanation:
Wilbur and Orville Wright at Kitty Hawk in November 21, 1783.
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