Based on this dialogue I would say impulsive and affectionate.
Hope this helps! :)
There main problem is that they love each other but were born into rivaling families.
Answer:
The mentally ill were sometimes experimented on with treatments that sometimes caused more harm than good.
Explanation:
This passages points out both the good intentions and the harmful consequences of trying out new treatments on human subjects in the asylums.
It states that the institutions wanted to offer new and effective treatments to the patients, but that these were rudimentary and poorly understood and developed. This lack of refinement led to worse conditions for many of the mentally ill.
If my memory serves my well, the reason why Squealer changes the Commandments is B. to reflect the pigs' adapting human qualities. This option looks the most accurate and, as for me, best represents the reason of change. Hope you will agree with me, regards!