It was solved because they had help others by trading
There are many reasons some may rent instead of buy a home,
It maybe that there are no homes for sale in the area, yet there is renting available. Or they may want to stay on the move and travel a lot so they will rent for a year at a time in each place.
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It all depends on how long it has been moving without that information it cannot be answered
Northern Ireland is separate from Ireland because 90 years ago people living in Ireland had a war against the British rulers. That's how Northern Ireland split from Ireland.
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