I'd say D. some authors admire revolutionary ideals while others are unsympathetic to them.
Answer:
new technology should change to communication becuase communication is easier tcocommunciate with others
Answer:
A serf is an agricultural laborer bound under the feudal system to work on his lord's estate.
Explanation:
Serfdom was the status of many peasants under feudalism, specifically relating to manorialism, and similar systems. It was a condition of debt bondage and indentured servitude, which developed during the Late Antiquity and Early Middle Ages in Europe and lasted in some countries until the mid-19th century.
The answer is B.) Alfred T. Mahan
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