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1)

-; mine; Paul’s

His; his; Peter’s

Her; hers; Linda’s

Its; its; cat’s

Our; ours; People’s

Your; yours; children’s

Their; theirs; boys’

2)

Sophisticated - civilization

Dull and tasteless - crop

Major food - source throughout Europe

Used potatoes - oddities

Starved - to death

Bought potatoes - to Europe

Easy-to-grow - as decorative plants

The population - steadily grew