Final answer:
The texts describe various characters undergoing significant life changes, including personal growth, lifestyle shifts, and altered societal roles, which affect their dispositions and responsibilities.
Step-by-step explanation:
When Isabel was sent to the ladies semore house, it seems that the main changes referenced in these texts relate to alterations in lifestyle and social standing, shifts in household dynamics, and personal growth or realization. Characters like Clarisse experience a newfound sense of freedom, deviating from their ordinary conjugal life. Similarly, individuals like Adoniram Penn's wife, who moved into a new barn, and Sylvia, who found aliveness only after moving to a farm, exhibit changes in their environments that deeply impact their personal experiences. Louisa, too, undergoes change as she prepares to transition into married life, leaving behind her maiden home and the solitude she cherished. Lastly, the unnamed mistress in one of the excerpts transforms under the harsh realities of slavery, changing from a tender-hearted being to one who embodies the fierce and violent nature of her oppressive role.