They were called the Patriots
Answer:
Racism in the past was a lot worse, starting by the fact that during an important amount of time, minority populations were either enslaved, or subjected to serfdom, or obliged to live in remote reservations and robbed of their lands. There were also lynching's, segregations in public and private places like schools, restaurants, and buses. Treatment was often unequal under the law, and job and education opportunities were less.
Racism in the present still exists, and it is still a problem, especially because if often manifests itself in ways that are not so apparent. However, it is undeniable that a great degree of progress has been made in this matter in recent decades.
I believe the answer is: positive externality
Positive externality refers to The benefit that enjoyed by a third party when the first and second party are conducting a transaction.
When you receive a vaccines, you prevent yourself from becoming a host that could contaminate other people from getting the virus. In the example above, you and your children are the first and second party. And other children are the third party.
Pollution,pollution is spreading faster and faster by the moment.Surely later on in the future it will become a bigger and or worse problem.