<span>A unchangeable. hope it helps</span>
Answer:
It was experimented on.
Explanation:
Before his death they did tests to see why he was so smart.
I think Bruno regret saying those to Ishmael because he didn't see the reality of between the Jews and Germans. He regrets saying those words because he saw how the Jews were treated even in his household. Jews were beaten and considered inferior compared to Germans.
Main clause: Louisa was annoyed
Connecting word: because
Subordinate clause: she lost them