Only era can vary in length of time.Era means age,period which doesn't exactly define the time
Century=100 years
decade=10 years
millennium = 1000 years,
Answer:
Why is language such an important human skill?
Language is a vital part of human connection. Although all species have their ways of communicating, humans are the only ones that have mastered cognitive language communication. Language allows us to share our ideas, thoughts, and feelings with others. It has the power to build societies, but also tear them down.
Explanation:
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The Sedition Act of 1918 (Pub.L. 65–150, 40 Stat. 553, enacted May 16, 1918) was an Act of the United States Congress that extended the Espionage Act of 1917 to cover a broader range of offenses, notably speech and the expression of opinion that cast the government or the war effort in a negative light or interfered - Hope his Help ;}