I think this would be the Great Wall of China!
although it's actually thought to be much, much longer: over 5000 miles long, if yoiu include natural defensive barriers used in it.
C.high mountain ranges i hope dis helps you
Answer:
They have a choice whether to live in water or on land
Explanation:
since they can live on water and land they can choose where they live
Political system of collective ownership of property; population is of one class.
Communist Manifesto
Book by Marx urging workers to overthrow upper classes; textbook for communism and socialism.
Dissenter
One who disagrees or has a difference of opinion
Free Enterprise System
Political system in which the government allows citizens to own private businesses for profit.
Humanistic
Secular rather than godly; promoted during the Renaissance; putting more emphasis on mans will.
Of Reformation in England
John Milton's writing on the preference of a commonwealth over a monarchy.
Principles
A basic rule of standard.
Renaissance
A revival of art and learing arising between the 14th and 16th centuries.
thanz
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I think it is c. bodies of water because hydro sounds like hydrate (water)