Final answer:
The Hawthorne family likely left The Berkshires due to financial reasons.
Step-by-step explanation:
The Hawthorne family only stayed in The Berkshires for a little over a year due to financial reasons. They may have faced financial difficulties or been unable to sustain their lifestyle in that area. It is important to note that the given information does not explicitly state the exact reason, so this is an educated speculation based on common reasons for geographical relocation.