The potato did not come from Ireland. The potato came from Central or South America.
The potato thrived in Ireland. Ireland did not rely on it's own crops, and only planted one crop.
Never put your eggs in one basket...
Answer:
Inflation
Dawes Plan
Wall Street Crash
Explanation:
Inflation-A general increase in prices,resulting in a fall in the purchasing value of money.
Dawes Plan-The plan, chaired by US budget director Charles Dawes,that gave germany longer to pay preparations following its defeat in Worl War One.
Wall Street Crash-In October 1929 share prices on the Wall Street Stock market in New York crashe,helping to cause the great depression.