I feel like kindness can be taught because if someone is mean and you set a good example and they want to be just like you they will start be kind. You can also teach kindness in a classroom by making everyone be nice to have a happy classroom and people will be asking for help and asking to borrow something. I also feel like it matter on the age.
The answer should be D- By discussing individual identity. Hope that helps
They had rented a house, but it already had a nursery.