It is B pair the last one
The correct answer for this question is that "<span>it wasn't forcibly incorporated."
</span>The experience of the Californios—being forcibly incorporated into the United States—similar to that of voluntary immigrants, and what makes it different is that it was not forcibly incorporated. The <span>early history of California settlement with the later image of California as a golden land of youth and excitement shows different effects to the people.</span>
Answer:
The children are experiencing natural reinforcement.
Explanation:
Sandra's children are very successful in school and that is a stated natural reinforcer.
Natural reinforces occur as a result of their behavior without involving others expressing their approval of their behavior.
Sandra is trying to foster this natural reinforcement with positive social reinforcement, "but she does not always remember".
