Their allies came in two stages
The potato blight was what caused a lot of the Irish people to leave their countries and move to the United States of America.
The blight destroyed the staple food of the people. This caused them a lot of famine and ultimately poverty.
The consequences of this was that the population of Ireland experienced a drastic fall as the people rushed out in order to escape hunger and poverty.
In America, they were faced with different kinds of diseases. The Americans were hostile towards them and they were accused of being the ones spreading diseases in the country.
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Serfs were laborers who were bound to their lords property, so though they worked the land, the land still belonged to the lord that they worked for.
Answer:
The answer is B. Odoacer overthrows the empire and declares himself king of Italy.
.gaining the support of Britain and France. is your answer