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It caused lots of Irish people to leave Ireland. Many of those went to the USA and right to this day many people can trace their ancestry as far back as to those people that came from Ireland in the 1840s. Many Irish people got heavily involved in American society, working in all sorts of areas and helping to contribute to the development of the USA at that time. Their legacies remain in things they did, like building cities and towns, building railways, get involved with the police, army, navy, fire services, politics etc.

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10y ago
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13y ago

In a myriad of ways, far too many to mention. Irish people emigrated to America in their thousands and settled all around America making a big contribution at all levels of society with several US presidents even claiming Irish ancestry. To this day Irish influence can be seen all over America.

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12y ago

It caused about 500,000 Irish to emigrate to America.

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13y ago

It affected America in that many Irish people emigrated to America. The actual blight that caused the famine did not affect America.

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12y ago

A large number of the irish people emmigrated into the US

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Q: How has American history been affected by the Irish potato blight?
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Related questions

This was affected by a blight in Ireland?

Potato.


What is a potato blight?

potato blight are potato mold,potato disease,potato mildew and potato murrain.


Common name of Phytophthora infestans?

Potato Blight, Potato Late Blight Agent, Potato Late Blight Fungus


Is potato blight a bacteria fungus or virus?

Potato blight is a fungus.


What disease did the Irish potatoes have?

During the 1840s, potato blight affected potatoes in Ireland, causing a famine.


What was the variety of potato that Irish potato farmers grew during the potato famine?

Lumpers. ... until the crop was affected by blight which destroyed the crops and then there were none. That's why it it ended in the Irish crisis called the potato famine.


What was the potato blight?

1845


What is the synopsis of potato people?

a story about potato blight


What was the cause of the Irish potato famine?

Blight a disease that spread through potatoes


The great potato famine in Ireland resulted from what?

Potato blight.


What year was the potato blight?

1845


Could Potato blight come back to Ireland?

Yes, Potato blight is endemic in Ireland and Europe, but today a variety of types of potato are grown some of which are blight resistant and we also have chemical sprays that can kill the fungus. The trouble with the blight in the past was that there were no sprays and only one variety of potato was grown and when a blight evolved to attack this variety, it meant that ALL the Irish crop was hit and this lead to famine.