The caste system. There was also a fifth group, untouchables, who were considered casteless.
Answer:
It was introduced during the investigation of the assassination of John F. Kennedy to explain what happened to the bullet that hit Kennedy in the back and exited through his throat.
That statement is false
Nixon's campaign slogan for the 1972 election was "Nixon now, more than ever"
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The correct answers should be
B. Serfs had to pay landowners a large tax and a fee for loans.
C. The zemstvos in charge of collecting taxes exploited the lower classes.
Zemstvos were like local governments that gained power due to the rise of capitalism which allowed accumulation of wealth. The serfs were no longer serfs but they had to pay huge taxes which led to civil unrest since poverty rose and often people starved to death because of inability to pay debt and taxes.
Athens is still a major city in Greece. It is currently still the capital.