What was Abigail Adams's opinion of owning enslaved workers?

Abigail Adams (1744-1818) was the wife of John Adams, second president of the United States, and mother of John Quincy Adams, sixth president of the nation. Like most women of her time, Abigail Adams had a relatively limited education; despite this she became one of the most influential women of her day. Throughout her husband’s frequent and lengthy absences serving the budding nation, they corresponded through extensive letters.