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I think the potato blight first arrived in Cork onboard ships from the US, then spread to the rest of Ireland
lichen bugs spread the disease
It happened in Ireland due to a disease that spread through the potato crops.
The Irish famine caused famine related death as well as death from famine related diseases. It was actually during the Irish potato famine that famine related diseases were recorded for the first time by doctors in work houses where the poor went when they were homeless and had no means of feeding themselves. These poor houses were over populated and disease spread rapidly. The main famine related diseases we are talking about are typhus and dysentery.The famine was caused by the fact that the Irish had been gradually dispossessed, practically across the board, during the English invasions. With no land of their own, they became poor peasants who had to rent from landlords at an expensive price.
Most of the immigration was caused by the potato famine, but some were caused when their king had switched to a England church because of his marriage. That caused England to be in control of Ireland which left them weak. Another when the black plague had spread to them from England and the Irish were mad at them cause now, England had made most of their troubles.
magic
POTATOES SILLY! They live in many countries and have spread around the world as they breed easily.
A famine in Ireland caused many to immigrate to the US in the mid 1800s. The Irish economy became too reliant of the potato crop which was the livelihood of about one third of the people at that time. A potato disease that had spread through Europe wasn't as serious a catastrophe until it came to Ireland, where much of the economy depended on the potato.
A case of wide-spread hunger is usually called a famine.
The English, who had no use for the Irish, spread the potato blight germs around on the potato fields so that they could get rid of as many Irish as possible. It largely worked - millions of Irish either starved to death or immigrated to other nations, like Canada and the USA. (That's why my greatgreatgreatgreatgreat grandfather came to America)
432AD
why is it important for spores to easily spread to other locations?