A. Violent attacks form the Eastern tribes even led to the downfall of Rome, as soon as the mongols got to Rome they had no challenge in defeating such a weak nation in it's decline.
1) C
2) B
3) B
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2. Certificate of citizenship
A "bad Nile" is a lack of water or too much water, so possible consequences include:
Famine (from crops dying)
Destruction of property (from flood waters)
and much more. However, this type of question normally references something in the text, so I suggest checking that section to see if a specific example was ever given.
They were the lower class in Medieval times. They barely had crops for themselves and/or made very little money, even though they worked really hard. They were capable of leaving, but they stayed in their home land. Also, due to all the hard work, most serfs wasn't expected to live long.
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